Zoo directors

John Main Olguin (February 18, 1921 – January 1, 2011) was an American aquarium official who served as the museum director of the Cabrillo Marine Museum, which has since been renamed the Cabrillo Marine Aquarium, from 1949 until 1987, when he became director emeritus. Olguin has been called the "father of recreational whale watching", as he was the founder of the Cabrillo Whalewatch program and a founding member of the American Cetacean Society.An authorized biography, entitled "An Ocean of Inspiration - The John Olguin Story" detailing John's life is being released October 16, 2011 at the Autumn Sea Fair at Cabrillo Marine Aquarium. The book is co-authored by Dr. Stefan Harzen and Barbara J Brunnick, Ph.D. of the Taras Oceanographic Foundation and Mike Schaadt, the current Director of the Cabrillo Marine Aquarium.
In 2012, a new campus of San Pedro High School, the John M. and Muriel Olguin Campus, was opened and named after Olguin and his wife.

Achille Joseph Urbain (9 May 1884 – 5 December 1957) was a French biologist born in Le Havre.

Bernhard Klemens Maria Grzimek (German pronunciation: [ˈɡʒɪmɛk]; 24 April 1909 – 13 March 1987) was a German zoo director, zoologist, book author, editor, and animal conservationist in postwar West Germany.

Alfred Edmund Brehm (German pronunciation: [ˈalfʁeːt ˈʔɛtmʊnt ˈbʁeːm]; 2 February 1829 – 11 November 1884) was a German zoologist, writer, director of zoological gardens and the son of Christian Ludwig Brehm, a famous pastor and ornithologist.
Through the book title Brehms Tierleben, which he co-authored with Eduard Pechuël-Loesche, Wilhelm Haacke, and Richard Schmidtlein, his name became a household word for popular zoological literature.

Sir Peter Chalmers Mitchell (23 November 1864 – 2 July 1945) was a Scottish zoologist who was Secretary of the Zoological Society of London from 1903 to 1935. During this time, he directed the policy of the Zoological Gardens of London and created the world's first open zoological park, Whipsnade Zoo.