Garrett M. Graff, a journalist and historian, is the author of The Only Plane in the Sky: An Oral History of 9/11.

Jesse Greenspan is a Bay Area-based freelance journalist (and former New England resident) who writes about history and the environment.

Rashad Grove is a contributing writer to BET and his work has appeared in Billboard, MTV News, Philadelphia Inquirer, Medium and others.

Jeff Guinn is an award-winning former investigative journalist and the bestselling author of numerous books, including Go Down Together: The True Untold Story of Bonnie and Clyde; The Last Gunfight: The Real Story of the Shootout at the O.K. Corral—And How It Changed the West; Manson: The Life and Times of Charles Manson; and The Road to Jonestown: Jim Jones and Peoples Temple.

Blaine Harden is the author of three books about North Korea and was a longtime foreign correspondent for The Washington Post.

John Harris is McDonald-Boswell Chair in History at Erskine College and the author of The Last Slave Ships: New York and the End of the Middle Passage. Follow him on Twitter: @drjohnaeharris.

Patrick Heery started his sports writing career in 2016 for The Has Been Blog, and, in 2018, began writing for Yardbarker, a sports and entertainment site. A history major in college, he practices real estate law in Ohio.

Adam Higginbotham writes for The New Yorker, The New York Times Magazine, Wired, GQ and Smithsonian. He is the author of the book Midnight in Chernobyl: The Untold Story of the World's Greatest Nuclear Disaster.

Abigail Higgins is a journalist and writer in Washington D.C. focusing on health, gender, and international affairs.

L. Stuart Hirai, an independent historian of the 100th/442nd Regimental Combat Team, serves on the board of governors of the Go For Broke National Education Center.