He was the grandson of
Henry Bryant who was an American
physician and
naturalist. After graduating from
Harvard in 1901, he began working with famed ichthyologist
Alexander Agassiz. Bigelow accompanied Agassiz on several major marine science expeditions including one aboard the
Albatross in 1907. He began working at the
Museum of Comparative Zoology in 1905 and joined Harvard's faculty in 1906 where he worked for 62 years. In 1911, Bigelow was elected a Fellow of the
American Academy of Arts and Sciences. He helped found the
Woods Hole Oceanographic Institution in 1930 and was its founding director. He was elected to the United States
National Academy of Sciences in 1931 and the
American Philosophical Society in 1937. During his life he published more than one hundred papers and several books. He was an expert on
coelenterates and
elasmobranchs. In 1948 Bigelow was awarded the
Daniel Giraud Elliot Medal from the
National Academy of Sciences. ==Honors==