Jack Cheng: "After losing his job, Damien Katz sold his house in Massachusetts and moved with his wife to North Carolina, living off just his savings to work on his own software. Even if you don’t work with code or technology, Damien’s heartfelt presentation is inspiring to watch."

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"Quantum Physics Made Relatively Simple"

Last year Ricky Gervais hosted a short series of informal interviews with three of his comedy heroes for the UK's Channel 4.