December 24, 1910 - October 6, 1993
Canadian historian of science
Published over 130 books as articles on Galileo Galilei including "Discoveries and Opinions of Galileo", Galileo at Work" and "Galileo: Pioneer Scientist"
Canadian historian of science
Published over 130 books as articles on Galileo Galilei including "Discoveries and Opinions of Galileo", Galileo at Work" and "Galileo: Pioneer Scientist"