Business magnate, investor, and philanthropist. Co-founder of Microsoft and key figure in the microcomputer revolution of the 1970s and 1980s.

Author, modern Stoic, public-relations strategist, owner of the Painted Porch Bookshop, and host of the podcast The Daily Stoic. Notable works include The Obstacle Is the Way, Ego is the Enemy, Stillness is the Key, and Lives of the Stoics.

Prof of Organic Chemistry @ Cornell. Libertarian. Fan of Austrian business cycle, Zero Hedge, gold. https://chemistry.cornell.edu/david-b-collum