This article is from the rec.arts.sf.written FAQ, by Evelyn C. Leeper evelynleeper@geocities.com with numerous contributions by others.
The major ones over the age of eighty are:
Jack Williamson, 29 APR 1908
Nelson Bond, 1908
Lloyd Arthur Eshbach, 1910
David Kyle, 1912
Andre Norton, 1912
R. A. Lafferty, 7 NOV 1914
Wilson ("Bob") Tucker, 23 NOV 1914
Charles L. Harness, 29 DEC 1915
Jack Vance, 28 AUG 1916
Philip Jose Farmer, 26 JAN 1918
E. C. Tubb, 15 OCT 1919
Frederik Pohl, 26 NOV 1919
Ray Bradbury, 22 AUG 1920
A more complete list can be found at http://www.isfdb.org/cgi-bin/oldest.cgi
Also worthy of mention are Frank Belknap Long, who died in 1994 at the
age of 90, and E. Hoffman Price, who also died in 1988, also at the age
of 90, and had published novels at 81, 82, 84, 85, 88, and 89.
Gary Couzens suggests Geoffrey Dearmer (21 March 1893-18 August 1996),
best known as a WWI poet, as the oldest SF author ever.
Note: Do not post that X is dead unless you have heard this from a
reputable source, such as a daily newspaper, or a reputable fan or
author. Postings in other groups on the Net, and statements from
friends such as, "Isn't X dead?" are not reputable sources!
[Provided by Evelyn Leeper [evelynleeper@geocities.com].]
 
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