Lifespan Chart
1900
1905
1910
1915
1920
1925
1930
1935
1940
1945
1950
1955
1960
1965
1970
1975
1980
1985
1990
1995
2000
B
Bertha E. Rigelman
Birth 1901
Bertha E. Rigelman:
1901-
2000
D
Bertha E. Rigelman
Death 2000
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