Boxing in the 1950s beaten by Pérez), won Japan's first world title, and Hogan Bassey won the first belt for Nigeria. Popular American fighters in the 1950s proved legendary: Sugar Ray Robinson would still win (and lose) world titles, Rocky Marciano became the only heavyweight world champion in history to retire with perfect record. Jersey Joe Walcott the oldest heavyweight champion (until George Foreman regained the title in 1994), Archie Moore broke the all-time knockout record as well as the record for the oldest champion, at 48, for "any" division, Ezzard Charles proved to be a reliable substitute for Joe Louis as heavyweight champ,
Charles Doolittle Walcott Walcott's interest in fossils led to his acquaintance with Louis Agassiz of Harvard, who encouraged him to work in the field of paleontology; later that year, he began work as the assistant to the state palaeontologist, James Hall. He lost this job after two years but was soon recruited to the newly formed US Geological Survey as a geological assistant. Walcott began his professional paleontology career by discovering new localities, such as the Walcott-Rust quarry in upstate New York and the Georgia Plane trilobite beds in Vermont, and by selling specimens to Yale University. In 1876, he became the assistant