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UID:78dabcde-f56b-4656-b041-0ae8f5c31fab
X-WR-CALDESC:11 April 1930: Abraham Sinkov reported to work for William Fri
 edman at SIS\, becoming one of the original four - with William Friedman\,
  Solomon Kullback\, and Frank Rowlett. Sinkov was inducted into the NSA/CS
 S Cryptologic Hall of Honor in 1999. Read the full entry regarding his car
 eer and accomplishments via the link below. <i>In the photo: The Signal In
 telligence Service about 1935. Seated: Louise Newkirk Nelson. Standing\, l
 eft to right: Herrick F. Bearce\; Solomon Kullback\; Capt. Harold G. Mille
 r\, U.S. Army\; William F. Friedman\; Abraham Sinkov\; Lt. L. T. Jones\, U
 nited States Coast Guard\; and Frank B. Rowlett.</i>   \n\nIn 1930\, Willi
 am Friedman\, a senior civilian in the Army's Signal Intelligence Service 
 (SIS) was authorized to hire three civilians\, at $2\,000 per year -- a fa
 irly good salary in the early period of the Great Depression. On April 1\,
  Frank Rowlett\, a mathematics teacher from Virginia\, reported for duty. 
 Later that month\, two mathematics teachers from Brooklyn came to Washingt
 on to work as cryptanalysts\, Abraham Sinkov and Solomon Kullback. In addi
 tion to his successes with SIS and also with the Central Bureau\, in 1954\
 , Dr. Sinkov became the second NSA official to attend the National War Col
 lege (the first was Dr. Louis Tordella). Upon his return\, he became Deput
 y Director for Production\, effectively swapping jobs with his old colleag
 ue Frank Rowlett. Dr. Sinkov retired from NSA in 1962.
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DTSTART:20251102T020000
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DTSTAMP:20260424T045456Z
DESCRIPTION:11 April 1930: Abraham Sinkov reported to work for William Frie
 dman at SIS\, becoming one of the original four - with William Friedman\, 
 Solomon Kullback\, and Frank Rowlett. Sinkov was inducted into the NSA/CSS
  Cryptologic Hall of Honor in 1999. Read the full entry regarding his care
 er and accomplishments via the link below. <i>In the photo: The Signal Int
 elligence Service about 1935. Seated: Louise Newkirk Nelson. Standing\, le
 ft to right: Herrick F. Bearce\; Solomon Kullback\; Capt. Harold G. Miller
 \, U.S. Army\; William F. Friedman\; Abraham Sinkov\; Lt. L. T. Jones\, Un
 ited States Coast Guard\; and Frank B. Rowlett.</i>   \n\nIn 1930\, Willia
 m Friedman\, a senior civilian in the Army's Signal Intelligence Service (
 SIS) was authorized to hire three civilians\, at $2\,000 per year -- a fai
 rly good salary in the early period of the Great Depression. On April 1\, 
 Frank Rowlett\, a mathematics teacher from Virginia\, reported for duty. L
 ater that month\, two mathematics teachers from Brooklyn came to Washingto
 n to work as cryptanalysts\, Abraham Sinkov and Solomon Kullback. In addit
 ion to his successes with SIS and also with the Central Bureau\, in 1954\,
  Dr. Sinkov became the second NSA official to attend the National War Coll
 ege (the first was Dr. Louis Tordella). Upon his return\, he became Deputy
  Director for Production\, effectively swapping jobs with his old colleagu
 e Frank Rowlett. Dr. Sinkov retired from NSA in 1962.
DTSTART;TZID=America/New_York:20260411T060000
DTEND;TZID=America/New_York:20260411T060001
LOCATION:
SUMMARY:1930: Abraham Sinkov reported to work at SIS.
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