Moses Ilyich Schönfinkel (Russian: Моисей Эльевич Шейнфинкель, romanized: Moisei El'evich Sheinfinkel; 29 September 1888 – 1942 (1943)) was a logician and mathematician, known for the invention of combinatory logic.

Moses Schönfinkel was born on (1888-09-29)29 September 1888 in Ekaterinoslav, Russian Empire (now Dnipro, Ukraine).

His father was Ilya Girshevich Schönfinkel, a merchant of first guild, who was in а grocery store trade, and his mother, Maria “Masha” Gertsovna Schönfinkel (née Lurie) came from a prominent Lurie family.

[4] In 1928, Schönfinkel had one other paper published, on special cases of the decision problem (Entscheidungsproblem), that was prepared by Paul Bernays.

The complete known published output of Schönfinkel consists of just two papers: his 1924 On the Building Blocks of Mathematical Logic, and another, 31-page paper written in 1927 and published 1928, coauthored with Paul Bernays, entitled Zum Entscheidungsproblem der mathematischen Logik (On the Decision Problem of Mathematical Logic).