David Wootton's biography of Galileo: http://www.watcheroftheskies.org/
Janet Browne's biography of Darwin: https://www.theguardian.com/books/2002/nov/10/biography.high...
"A Man for All Markets: From Las Vegas to Wall Street, How I Beat the Dealer and the Market" by Edward O. Thorp
https://goo.gl/Wb8YoH When Breath Becomes Air by Paul Kalanithi - Goodreads
https://goo.gl/gzGxAo Dying: A Memoir by Cory Taylor - Goodreads
"The Peabody Sisters: Three Women Who Ignited American Romanticism"
"Worldly Philosopher The Odyssey of Albert O. Hirschman"
It’s showing its age a little bit in places, but seems as pertinent as ever.