31.   He died of heart failure, said his wife, Lelia Katayen.

32.   He died after a long illness, said his wife, Carmel.

33.   He died of cancer, said his wife, Dr. Aphrodite Clamar-Cohen.

34.   He expected to be transferred back to Tokyo before long, his wife said, after seven years in London and five years in New York.

35.   He had a heart attack while sleeping, said his wife, Alice Cutler.

36.   He had been suffering from cancer for many years, said his wife, Margaret Gibson Daniel.

37.   He had cancer, said his wife, Terese.

38.   He had been battling liver cancer for two years, said his wife, Barbara.

39.   He had been ill, but the exact cause of death was unclear, said his wife, Catherine.

40.   He had been suffering from leukemia and lymphoma, said his wife, Margery.