# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/solomon-kullback
# Generated: 2026-08-12T19:47:01.490Z

schema: https://schema.org/Person
url: "https://fame.am/person/solomon-kullback"
name: "Solomon Kullback"
slug: "solomon-kullback"
description: "Solomon Kullback was an American cryptanalyst and mathematician, who was one of the first three employees hired by William F. Friedman at the US Army's Signal Intelligence Service (SIS) in the 1930s, along with Frank Rowlett and Abraham Sinkov. He went on to a long and distinguished career at SIS and its eventual successor, the National Security Agency (NSA). Kullback was the Chief Scientist at the NSA until his retirement in 1962, whereupon he took a position at the George Washington University."
tagline: "American mathematician and cryptanalyst (1907-1994)"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/Solomon-kullback.jpg?width=1200"
gender: "male"
country:
  name: "United States"
  isoCode: "US"
category:
  name: "Academics"
  slug: "academics"
profileType:
  name: "Academic"
  slug: "academic"
  entityType: "https://www.wikidata.org/entity/Q39631"
birthDate: "1907-04-03"
deathDate: "1994-08-05"
livingStatus: "DECEASED"
scores:
  popularity:           43.27
  momentum:             2.596153846153846
  historical:           6.549713333333334
  currentAttention:     0
  sourceConfidence:     39.99999999999999
  profileCompleteness:  70
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
sources:
  - url: "https://uk.wikipedia.org/wiki/%D0%A1%D0%BE%D0%BB%D0%BE%D0%BC%D0%BE%D0%BD_%D0%9A%D1%83%D0%BB%D1%8C%D0%B1%D0%B0%D0%BA"
    title: "Соломон Кульбак"
    type:  "WIKIPEDIA"
  - url: "https://arz.wikipedia.org/wiki/%D8%B3%D9%88%D9%84%D9%88%D9%85%D9%88%D9%86_%D9%83%D9%88%D9%84%D8%A8%D8%A7%D9%83"
    title: "سولومون كولباك"
    type:  "WIKIPEDIA"
  - url: "https://de.wikipedia.org/wiki/Solomon_Kullback"
    title: "Solomon Kullback"
    type:  "WIKIPEDIA"
  - url: "https://en.wikipedia.org/wiki/Solomon_Kullback"
    title: "Solomon Kullback"
    type:  "WIKIPEDIA"
  - url: "https://fr.wikipedia.org/wiki/Solomon_Kullback"
    title: "Solomon Kullback"
    type:  "WIKIPEDIA"
  - url: "https://pl.wikipedia.org/wiki/Solomon_Kullback"
    title: "Solomon Kullback"
    type:  "WIKIPEDIA"
  - url: "https://ru.wikipedia.org/wiki/%D0%9A%D1%83%D0%BB%D1%8C%D0%B1%D0%B0%D0%BA%2C_%D0%A1%D0%BE%D0%BB%D0%BE%D0%BC%D0%BE%D0%BD"
    title: "Кульбак, Соломон"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q896641"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-dump