- He, and especially his wife, were important genealogists for this branch of the Hyatt family. He was known as "neo-Lamarckian" in his approach to Biology and Paleontology. Prof. at MIT, and first president of Woods Hole Biological Laboratory. He has an entry in the American National Biography, and he is included on the Civil War page.
According to S280, "During the Civil War he served in the 47th Mass. Regt. with the rank of Capt. Naturalist, author, and teacher, his activities covered a wide ranc; writer of philosophical papers, organizers of societies, Museum Administrator, Pres. of the Marine Biological Laboratory at Woods Hole, Prof. of Zoology and Paleontology in the Mass. Institute of Technology, instigator and director of ‘The Teacher's School of Science,' Boston; Fellow of teh Amer. Acad. of Arts and Soiences; member of the Natl. Acad. of Science. He was an assistant of Loius Agassiz; introduced Biology into the public schools; was a Prof. of Harvard University."