Background
Orr was born in San Francisco, California to Robert Harry Orr and Clara Cockburn Orr.
Orr was born in San Francisco, California to Robert Harry Orr and Clara Cockburn Orr.
And Doctor of Philosophy degrees were earned at the University of California, Berkeley while studying in the laboratory of Joseph Grinnell.
He received his Bachelor of Surgery degree in biology from the University of San Francisco in 1929. His Master of Arts Orr spent most of his professional career in San Francisco as curator of the ornithology and mammalogy collections at the California Academy of Sciences (1936–1963), and a faculty member at the University of San Francisco (1942–1963). Orr"s research consisted studies of seals, sea lions and whales along the California coast. addition to his work in mammalogy and ornithology, Orr was considered an authority on wild mushrooms.
He was known for leading mushroom hunting expeditions in the moist coastal forests of Mendocino County, California, delighting amateur "Mendocino Mushroomers" with tales of mushrooms and fungi.
Orr served as President of the Pacific Division of the American Association for the Advancement of Science from 1976–1977. He passed away on June 23 at his home in Larkspur, Calif at the age of 86.
The San Francisco Chronicle reported he had a long illness. X and Doctorate.B.
