Mezue nkebi ahịrịokwu a: Howell bụ dọkịta a mụrụ na Massachusetts na 1797, ma biri na New York tupu ya esi na New Orleans gaa Texas na 1835. Ọ bịara Texas dị ka onye so n'òtù Captain Thomas H. Breece nke New Orleans Greys. Howell sonyere na Siege nke Bexar ma mesịa jee ozi na Alamo dị ka onye so na ndị agha Captain William Blazeby. N'abalị isii n'ọnwa Machị n'afọ 1836, Howell nwụrụ n'ụlọ mkpọrọ.
Agha nke Alamo.