#Doe Quotes #Purpose Quotes #Cost Quotes
Source : Winslow Homer, Lloyd Goodrich (1973). “Winslow Homer”
Bill McKibben
Environmentalist
Ernst Stuhlinger
Developer
Fred Singer
Physicist
James Hansen
Professor
James Lovelock
Scientist
Joseph J. Romm
Author
Kristian Birkeland
Scientist
Michael E. Mann
Author
Wernher von Braun
Rocket scientist