John P. Rafferty
John P. Rafferty
Encyclopædia Britannica Editor
Connect with John P. Rafferty

John P. Rafferty writes about Earth processes and the environment. He serves currently as the editor of Earth and life sciences—covering climatology, geology, zoology, and other topics that relate to the natural world. Prior to joining Encyclopaedia Britannica in 2006, he held teaching positions at Lewis University, Roosevelt University, and the University of Illinois at Urbana-Champaign.

Follow him on Twitter: @john_p_rafferty

Primary Contributions (296)
David Malcolm Raup, American paleontologist (born April 24, 1933, Boston, Mass.—died July 9, 2015, Sturgeon Bay, Wis.), applied statistics and mathematical modeling to the fields of paleontology and evolutionary biology. He was best known for having introduced (1983) the concept of extinction…
Check out Britannica's new site for parents!
Subscribe Today!