Dava Sobel

Dava Sobel (born June 15, 1947, The Bronx, New York) is an American writer of popular expositions of scientific topics. Her books include Longitude, about English clockmaker John Harrison, and Galileo's Daughter, about Galileo's daughterMaria Celeste. Bio from Wikipedia, the free encyclopedia. Photo by Ragesoss (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons.