Renowned professor of engineering and award-winning author of 19 books.

Henry Petroski

Renowned professor of engineering and award-winning author of 19 books.
Vivek Murthy portrait

Vivek Murthy

Surgeon General of the United States.
Sacha Pfeiffer portrait

Sacha Pfeiffer

Pulitzer-prize winning reporter on the Boston Globe’s Spotlight team, author of Betrayed: The Crisis in the Catholic Church (2003).

Ai-jen Poo

Director, National Domestic Workers Alliance, MacArthur fellow, author of The Age of Dignity (2015).
Alicia Garza portrait

Alicia Garza

Co-founder, Black Lives Matter Special Projects Director, National Domestic Workers Alliance.
Angela Davis portrait

Angela Y. Davis

Scholar, author, activist.
Mark Bittman portrait

Mark Bittman

New York Times food writer, author of twenty books, including How to Cook Everything (1998).
Sam Kass portrait

Sam Kass

NBC News analyst, Director, Let’s Move!, White House Senior Advisor for Nutrition Policy (2009-2014).
Jose Vargas portrait

Jose Antonio Vargas

Pulitzer prize-winning journalist, Founder and CEO, Define American.