non-fiction writer

87 years

French diplomat and numismatist

88 years

Czech politician and university educator

74 years

Dutch chess grandmaster

98 years

German teacher and author of hiking guides

95 years

Finnish veterinarian

87 years

Hungarian pedagogue and writer (1938–)

69 years

83 years

German journalist, author and non-fiction writer

79 years

Swiss military and professor at the Swiss Federal Institute of Technology (ETH) Zurich

90 years

German non-fiction writer

78 years

American author (1947-) of mainly non-fiction, military history books

81 years

Australian broadcaster

90 years

Swiss pseudoscientific writer and ufologist

75 years

French poet

84 years

80 years

70 years

91 years

American evolutionary and social psychologist

87 years

Chancellor of West Germany

84 years

90 years

83 years

89 years

92 years