PBS announced KEN BURNS PRESENTS THE GENE: AN INTIMATE HISTORY, a new three-hour documentary executive produced by Ken Burns, will premiere over three nights in Spring 2020 on PBS.  Pulitzer Prize-winning author Siddhartha Mukherjee, M.D., and acclaimed filmmaker Ken Burns will collaborate on the new documentary inspired by Mukherjee’s best-selling 2016 book, The Gene: An Intimate History.