Jack Sepkoski, Date of Birth, Place of Birth, Date of Death

    

Jack Sepkoski

American paleontologist

Date of Birth: 26-Jul-1948

Place of Birth: Presque Isle, Maine, United States

Date of Death: 01-May-1999

Profession: university teacher, paleontologist

Nationality: United States

Zodiac Sign: Leo


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About Jack Sepkoski

  • Joseph John Sepkoski Jr.
  • (July 26, 1948 – May 1, 1999) was a University of Chicago paleontologist.
  • Sepkoski studied the fossil record and the diversity of life on Earth.
  • Sepkoski and David Raup contributed to the knowledge of extinction events.
  • They suggested that the extinction of dinosaurs 66 mya was part of a cycle of mass extinctions that may have occurred every 26 million years.

Read more at Wikipedia