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Death and tributes. Kroc died of heart failure at an hospital in San Diego, California on 14 January, 1984 at age 81. Upon his passing, his wife Joan inherited his fortune, was estimated at $500 million. By the time of Kroc's death, McDonald's had 7,500 locations in 31 countries and was worth $8 billion.
Ray A. Kroc dies at 81; Built McDonald's Chain. By ERIC PACE. Ray A. Kroc, the builder of the McDonald's hamburger empire, who helped change American businiess and eating habits by deftly orchestrating the purveying of billions of small beef patties, died yesterday in San Diego. He was 81 years old and lived in La Jolla, Calif. Mr. Kroc, who also owned the San Diego Padres baseball team, died of a heart ailment at Scripps Memorial Hopsital in San Diego, a McDonald's spokesman said. At his death he was senior chairman of McDonald's.