His son, Henry Draper, and his granddaughter, Antonia Maury, were astronomers, and his eldest son, John Christopher Draper, was a chemist. (wikipedia.org) As the title indicates the book deals with the history of the conflict between ...
"History of the Intellectual Development of Europe - Volume II" from John William Draper. American (English-born) scientist, philosopher, physician, chemist, historian and photographer (1811-1882).