Pedro Guerrero; Founder of Rosarita Foods

Pedro Guerrero, 93, who parlayed a $38 investment in a tamale booth into the Rosarita Mexican food company. Guerrero and a partner began selling tamales at a Yaqui Indian fair in the Arizona town of Guadalupe in 1929. He later invented a trademark, but it was years before he was able to find partners in his venture, which in 1945 became Rosarita. Rosarita went public in 1959 and was bought by Beatrice Foods Corp. in 1961. Guerrero retired in 1972. In Mesa, Ariz., on Monday of kidney failure.