Ship manifest for the SS Byron out of Rio de Janeiro on February 8, arriving New York February 27, 1907
George Jelovsky is the last name on the list. I have determined that this is the same as Harry Challov based on information in Harry’s Declaration of Intent and Petition for Naturalization.
The Declaration lists “Krivozer” as his birthplace, which is a clue, but more telling is the information in the Petition, which lists his wife Gussie Beckerman and daughter Esther.
The confirmation comes in page two of the Petition for Naturalization, where George Cheilovsky formally changes his name to Harry Challov: