Joseph Mazur is the author of "Euclid in the Rainforest" (Plume), which was a finalist for the PEN/Martha Albrand Award, as well as "The Motion Paradox" (Penguin) and "What s Luck Got to Do with It?" (Princeton). He lives with his wife, Jennifer, in Vermont.

Tim Andres Pabon is an actor and Spanish & English audiobook narrator from Washington DC. He has over 60 books on Audible.com, one of which was recently nominated for a 2015 SOVAS award (Society of Vocal Arts and Sciences). He has been seen on House of Cards seasons 3 and 4 as Mark, a White house press correspondent. He has also been a co-star on HBO's acclaimed series The Wire opposite country music legend Steve Earl. As a stage actor he has worked Off-Broadway at the June Havoc Theatre, and his regional credits include Center Stage, The Shakespeare Theatre, Arena Stage, The Hippodrome, Olney Theatre, Rep Stage, and GALA Hispanic Theatre among others.