Born Today May 22 Oliver Perry Hay

From: Today In Science History

American paleontologist whose catalogs of fossil vertebrates greatly organized existing knowledge and became standard references. From 1912, he conduct his research at the United States National Museum where he assisted in working up and describing the museum's collections in vertebrate paleontology. Hay's primary scientific interest was the study of the Pleistocene vertebrata of North America. He is renowned for his work on skull and brain anatomy. His first major work was his Bibliography and Catalogue of the Fossil Vertebrata of North America (1902), supplemented by two more volumes (1929-30). Hay also wrote on the evidence of early humans in North America.«