Elizabeth Svoboda is a writer based in San Jose, California and the author of What Makes a Hero?: The Surprising Science of Selflessness.

Michail Takach is a historian and author. As the curator of the Wisconsin LGBTQ History Project, Michail produces ongoing books, articles, documentaries, and podcasts that reconnect the state with its long-hidden history and heritage.

Amy Shira Teitel is a spaceflight historian, author, and YouTuber. She holds a Bachelor's degree with combined honors in History of Science and Technology Studies and a Master's in Science and Technology Studies. You can follow her  @AmyShiraTeitel.

Ratha Tep, based in Dublin, is a frequent contributor to The New York Times. She also writes books for children.

Noah Tetzner is an author of The Poetic Edda: A Study Guide, and host of the podcast, The History of Vikings.

Dr. Heather Ann Thompson is a historian at the University of Michigan, and is the Pulitzer Prize-winning author of Blood in the Water: The Attica Prison Uprising of 1971 and its Legacy.

Lynn Vincent and Sara Vladic are the New York Times bestselling authors of Indianapolis: The True Story of the Worst Sea Disaster in U.S. Naval History and the Fifty-Year Fight to Exonerate an Innocent Man.

A journalist for over a decade, Gregory Wakeman was raised in England but is now based in the United States. He has written for the BBC, The New York Times, National Geographic, and Smithsonian.

Shaun Walker is the Central and Eastern European correspondent for The Guardian and author of the book, The Long Hangover: Putin’s New Russia and the Ghosts of the Past, published by Oxford University Press. Follow him on Twitter at @shaunwalker7.