Hans Peter Luhn

Hans Peter Luhn
Born(1896-07-01)1 July 1896
Died19 August 1964(1964-08-19) (aged 68)
NationalityAmerican
Known forKWIC
Scientific career
FieldsComputer science
InstitutionsIBM

Hans Peter Luhn (July 1, 1896 August 19, 1964) was a German-American researcher in the field of computer science and Library & Information Science for IBM, and creator of the Luhn algorithm, KWIC (Key Words In Context) indexing, and selective dissemination of information ("SDI"). His inventions have found applications in diverse areas like computer science, the textile industry, linguistics, and information science. He was awarded over 80 patents.

He created one of the earliest practical hash functions in the 1950s.