Kevin Pereira & Gavin Purcell person

10 mentions

Relationship map

company podcastsolid = outgoing · dashed = incoming

Connections 82

all 82 mentioned 49 hosted by 31 founded 1 works at 1

mentioned 49

← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
GPT-6 Astra Does Everything. Here's What It's Actually Good At. · 2026-09-09
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Instinct & Meta Muse Are AI Agents That Can Run Your Life. We Let One Try. · 2026-09-18
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Opus 5.5 is our favorite AI model (so far). · 2026-09-24
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
AI put Minecraft in Skyrim (and OpenAI had a Dev Day) · 2026-10-02
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
AI Got Weird. So We're Changing The Show. · 2026-08-21
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested The Mystery AI That Showed Up Out Of Nowhere · 2026-08-26
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Zuck Wants Superintelligence. Do People Even Want AI? · 2026-08-12
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested Infinite AI Video... And We're Zombies Now · 2026-09-02
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
The Singularity Is... Here? GPT-6, Opus 5 & AI's Scariest Week Yet · 2026-07-29
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Seedance 2.5 & The New Age of AI Video (w/ Theoretically Media) · 2026-08-07
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Is Google Gemini In Trouble? · 2026-07-22
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Kimi K3 Is Here. China Just Hit the AI Frontier. · 2026-07-17
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
OpenAI's GPT-5.6 Sol Is Here. And It's Really Freaking Good. · 2026-07-10
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Sonnet 5 Is Here & Fable 5's Returning. For Now. · 2026-07-01
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Fable 5 Survives (For Now). And Anthropic Can Read Claude's Mind. · 2026-07-08
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Anthropic Caught Alibaba Spying. The AI Cold War Is Here. · 2026-06-26
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Seedance 2.5 Just Crushed AI Video. America Is Stalling. · 2026-06-24
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Fable 5 Got Caged. Why That Should Scare You. · 2026-06-17
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Midjourney Built a Body Scanner. AI Science Just Got Real. · 2026-06-19
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Fable 5 Is Incredible. And A Little Scary. · 2026-06-10
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Martin Scorsese Is Now An AI Filmmaker. · 2026-06-03
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Microsoft Is Now An AI Agents Company. Seriously. · 2026-06-05
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Fable 5 Broke The AI Industry. Here's What Happens Next. · 2026-06-12
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Spotify Goes AI. People Will Be Furious. Plus, OpenAI Cracks An 80-Year Math Problem. · 2026-05-22
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Google's New Gemini Omni AI Is Too Much. All The Good Stuff From Google I/O. · 2026-05-20
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Opus 4.8 Just Landed. But Mythos Is Coming For Everyone. · 2026-05-29
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Pope Leo Wants to Disarm AI. Explained. · 2026-05-26
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Google Is Cooking Again. The I/O Leaks Are Wild. · 2026-05-15
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Elon Musk Just Teamed Up With Anthropic and Claude Dropped A TON Of New Stuff. · 2026-05-08
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Robots Are Having Their ChatGPT Moment. Here's Proof. · 2026-04-30
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
The White House Wants To Approve AI Models. Blame Mythos. · 2026-05-05
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
ChatGPT Images 2.0 Is Here. It Just Killed Nano Banana. · 2026-04-22
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
GPT 5.5 Just Dropped. OpenAI Accelerated The AI Race (Again). · 2026-04-24
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Opus 4.7 Has Landed. The AI Acceleration Is Real. · 2026-04-17
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
OpenAI's Growth Is Slowing. Is The AI Bubble Popping? · 2026-04-29
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Everyone Hates AI. Now What? · 2026-04-10
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Is Melting Down. AI's Compute Crisis Explained. · 2026-04-15
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Two People Vibe Coded a $1.8B Company. The AI Hard Takeoff Is Here. · 2026-04-03
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Anthropic's Mythos AI Is Too Dangerous to Release. They're Using It Anyway. · 2026-04-08
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
The Claude Code Leak Accidentally Revealed AI's Future. Oops. · 2026-04-01
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Google AI Studio Got a Big Upgrade and We're All Vibecoders Now · 2026-03-20
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
OpenAI's Path to AGI: Kill Sora, Launch a Potato · 2026-03-27
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Anthropic Won't Stop Shipping. Good Luck, Everyone Else. · 2026-03-25
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
NVIDIA's Jensen Huang Wants It All (GTC 2026) · 2026-03-17
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Gemini 3.1 Just Dropped. SuperIntelligence Is Coming. We're Fine. · 2026-02-20
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
OpenAI's GPT-5.4 Is a Beast. But Good Luck Staying King. · 2026-03-06
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Google's Nano Banana 2 Just Dropped. We Tested It. We Have Notes. · 2026-02-27
← mentioned AI For Humans: Weekly AI News, Tools & Trends podcast

0.70

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
AI Can Improve Itself Now. We're Sure That's Fine. · 2026-03-13

hosted by 31

← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
GPT-6 Astra Does Everything. Here's What It's Actually Good At. · 2026-09-09
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Instinct & Meta Muse Are AI Agents That Can Run Your Life. We Let One Try. · 2026-09-18
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Opus 5.5 is our favorite AI model (so far). · 2026-09-24
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
AI put Minecraft in Skyrim (and OpenAI had a Dev Day) · 2026-10-02
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
AI Got Weird. So We're Changing The Show. · 2026-08-21
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested The Mystery AI That Showed Up Out Of Nowhere · 2026-08-26
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Zuck Wants Superintelligence. Do People Even Want AI? · 2026-08-12
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested Infinite AI Video... And We're Zombies Now · 2026-09-02
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
The Singularity Is... Here? GPT-6, Opus 5 & AI's Scariest Week Yet · 2026-07-29
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Seedance 2.5 & The New Age of AI Video (w/ Theoretically Media) · 2026-08-07
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Is Google Gemini In Trouble? · 2026-07-22
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Kimi K3 Is Here. China Just Hit the AI Frontier. · 2026-07-17
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
OpenAI's GPT-5.6 Sol Is Here. And It's Really Freaking Good. · 2026-07-10
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Sonnet 5 Is Here & Fable 5's Returning. For Now. · 2026-07-01
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Fable 5 Survives (For Now). And Anthropic Can Read Claude's Mind. · 2026-07-08
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Anthropic Caught Alibaba Spying. The AI Cold War Is Here. · 2026-06-26
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Seedance 2.5 Just Crushed AI Video. America Is Stalling. · 2026-06-24
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Fable 5 Got Caged. Why That Should Scare You. · 2026-06-17
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Midjourney Built a Body Scanner. AI Science Just Got Real. · 2026-06-19
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Fable 5 Is Incredible. And A Little Scary. · 2026-06-10
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Martin Scorsese Is Now An AI Filmmaker. · 2026-06-03
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Microsoft Is Now An AI Agents Company. Seriously. · 2026-06-05
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Fable 5 Broke The AI Industry. Here's What Happens Next. · 2026-06-12
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Spotify Goes AI. People Will Be Furious. Plus, OpenAI Cracks An 80-Year Math Problem. · 2026-05-22
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Google's New Gemini Omni AI Is Too Much. All The Good Stuff From Google I/O. · 2026-05-20
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Claude Opus 4.8 Just Landed. But Mythos Is Coming For Everyone. · 2026-05-29
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Pope Leo Wants to Disarm AI. Explained. · 2026-05-26
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Google Is Cooking Again. The I/O Leaks Are Wild. · 2026-05-15
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Elon Musk Just Teamed Up With Anthropic and Claude Dropped A TON Of New Stuff. · 2026-05-08
← hosted by AI For Humans: Weekly AI News, Tools & Trends podcast

0.55

evidence rules-v5
Feed author/publisher: Kevin Pereira & Gavin Purcell
Robots Are Having Their ChatGPT Moment. Here's Proof. · 2026-04-30

founded 1

→ founded Anthropic company

0.54

evidence rules-v5
co-founder of Anthropic
Pope Leo Wants to Disarm AI. Explained. · 2026-05-26

works at 1

→ works at Anthropic company

0.50

evidence rules-v5
co-founder of Anthropic
Pope Leo Wants to Disarm AI. Explained. · 2026-05-26

Mentioned in episodes

AI put Minecraft in Skyrim (and OpenAI had a Dev Day)

2026-10-02 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell
AI put Minecraft in Skyrim (and OpenAI had a Dev Day)

2026-10-02 · AI For Humans: Weekly AI News, Tools & Trends · via mentioned · 0.70

Feed author/publisher: Kevin Pereira & Gavin Purcell
Opus 5.5 is our favorite AI model (so far).

2026-09-24 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell
Opus 5.5 is our favorite AI model (so far).

2026-09-24 · AI For Humans: Weekly AI News, Tools & Trends · via mentioned · 0.70

Feed author/publisher: Kevin Pereira & Gavin Purcell
Instinct & Meta Muse Are AI Agents That Can Run Your Life. We Let One Try.

2026-09-18 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell
Instinct & Meta Muse Are AI Agents That Can Run Your Life. We Let One Try.

2026-09-18 · AI For Humans: Weekly AI News, Tools & Trends · via mentioned · 0.70

Feed author/publisher: Kevin Pereira & Gavin Purcell
GPT-6 Astra Does Everything. Here's What It's Actually Good At.

2026-09-09 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell
GPT-6 Astra Does Everything. Here's What It's Actually Good At.

2026-09-09 · AI For Humans: Weekly AI News, Tools & Trends · via mentioned · 0.70

Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested Infinite AI Video... And We're Zombies Now

2026-09-02 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested Infinite AI Video... And We're Zombies Now

2026-09-02 · AI For Humans: Weekly AI News, Tools & Trends · via mentioned · 0.70

Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested The Mystery AI That Showed Up Out Of Nowhere

2026-08-26 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell
We Tested The Mystery AI That Showed Up Out Of Nowhere

2026-08-26 · AI For Humans: Weekly AI News, Tools & Trends · via mentioned · 0.70

Feed author/publisher: Kevin Pereira & Gavin Purcell
AI Got Weird. So We're Changing The Show.

2026-08-21 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell
AI Got Weird. So We're Changing The Show.

2026-08-21 · AI For Humans: Weekly AI News, Tools & Trends · via mentioned · 0.70

Feed author/publisher: Kevin Pereira & Gavin Purcell
Zuck Wants Superintelligence. Do People Even Want AI?

2026-08-12 · AI For Humans: Weekly AI News, Tools & Trends · via hosted by · 0.55

Feed author/publisher: Kevin Pereira & Gavin Purcell