Emil Leon Post
| Emil Leon Post | |
|---|---|
| Born | February 11, 1897 | 
| Died | April 21, 1954 (aged 57) New York City, U.S. | 
| Alma mater | City College of New York (B.S., 1917) Columbia University (A.M. 1918, Ph.D. 1920) | 
| Known for | Formulation 1 Post correspondence problem Completeness-proof of Principia's propositional calculus Post's inversion formula Post's lattice Post's theorem | 
| Scientific career | |
| Fields | Mathematics, logic | 
| Institutions | Princeton University | 
| Thesis | Introduction to a General Theory of Elementary Propositions (1920) | 
| Doctoral advisor | Cassius Jackson Keyser | 
Emil Leon Post (/poʊst/; February 11, 1897 – April 21, 1954) was an American mathematician and logician. He is best known for his work in the field that eventually became known as computability theory.