Harold Jefferson Coolidge Jr.
Harold Jefferson Coolidge Jr. was an American zoologist and a founding director of the International Union for Conservation of Nature as well as of the World Wildlife Fund. Wikipedia
Born: January 15, 1904, Boston, MA
Died: February 15, 1985 (age 81 years), Beverly, MA
Great-grandparents: Ellen Randolph Coolidge, Joseph Coolidge, Catherine Elizabeth Peabody, and more
Parents: Harold Jefferson Coolidge Sr.
Grandparents: Joseph Randolph Coolidge and Julia Coolidge