Joshua Kagavi is a writer, historian, artist and designer whose projects explore early athletic history, retro games, racism and nationalism and more. His work can be found at kagavi.com.

Keane is a writer, stand-up comedian and co-host of the Roundball Rock NBA podcast. He has contributed to "Another Period," "Billy On The Street," NBC, Comedy Central, ESPN The Magazine and McSweeney's. In 2014, the SF Bay Guardian named him the best comedian in San Francisco, then immediately went out of business. His handle on Twitter is @seankeane

Speechwriter Cody Keenan is former director of speechwriting for President Barack Obama.

Anne R. Keene is an Austin-based writer and author of The Cloudbuster Nine: The Untold Story of Ted Williams and the Baseball Team That Helped Win WWII.

Lesley Kennedy is a features writer and editor living in Denver. Her work has appeared in national and regional newspapers, magazines and websites.

From historical figures to present-day celebrities, Sara Kettler loves to write about people who've led fascinating lives.

Patrick J. Kiger has written for GQ, the Los Angeles Times, National Geographic, PBS NewsHour and Military History Quarterly. He's the co-author (with Martin J. Smith) of Poplorica: A Popular History of the Fads, Mavericks, Inventions, and Lore that Shaped Modern America.

Jeanhee Kim is an editor and writer in New York City.

Dave Kindy is a freelancer in Plymouth, Massachusetts who writes about history and other topics for History.com, Smithsonian Magazine, National Geographic, Washington Post and other outlets. He is currently writing a nonfiction book about World War II.

Christopher Klein is the author of four books, including When the Irish Invaded Canada: The Incredible True Story of the Civil War Veterans Who Fought for Ireland’s Freedom and Strong Boy: The Life and Times of John L. Sullivan. His work has appeared in numerous publications, including The Boston Globe, The New York Times, and National Geographic Traveler. Follow Chris at @historyauthor.

Lindsey Konkel is a freelance journalist based in southern New Jersey. Her focus is science and health. She loves when these topics intersect with history.