Cahen's constant, an infinite series of unit fractions, with alternating signs, derived from Sylvester's sequence
Albert Cahen d'Anvers (8 January 1846, Antwerp – 27 February 1903, La Turbie) was a French composer best known for light opera.
Enrique Cahen Salaberry (born 12 October 1911 - 29 June 1991 in Buenos Aires) was a prolific Argentine film director whose career in the Cinema of Argentina as a movie director spanned five decades.
Fritz Max Cahén had one son that same year, artist Oscar Cahén.