| Brunó Ferenc Straub | |
| Nationality: | Hungarian |
| Order: | Chairman of the Presidential Council of the People's Republic of Hungary |
| Term Start: | 29 June 1988 |
| Term End: | 23 October 1989 |
| 1Blankname: | Chairman of the Council of Ministers |
| 1Namedata: | Károly Grósz Miklós Németh |
| Predecessor: | Károly Németh |
| Successor: | Mátyás Szűrös |
| Birth Date: | 5 January 1914 |
| Birth Place: | Nagyvárad, Austria-Hungary (now Oradea, Romania) |
| Death Place: | Budapest |
| Party: | Hungarian Socialist Workers Party |
| Spouse: | Erzsébet Lichneckert (1940–1967) Gertrud Szabolcsi (1972–1993) |
| Children: | 2 daughters |
Brunó Ferenc Straub (5 January 1914 in Nagyvárad, Austria-Hungary (now Oradea, Romania) - 15 February 1996) was a biochemist. As a young scholar he was a research assistant of Albert Szent-Györgyi at the University of Szeged, and subsequently worked at the Molteno Institute, Cambridge, UK. He was the first to obtain actin in a relatively pure state.[1] He founded the Biological Research Centre in Szeged. He was the chairman of the Hungarian Presidential Council from 29 June 1988 to 23 October 1989. He proposed the theory of conformational selection in 1964,[2] [3] the same year the Monod–Wyman–Changeux model was proposed.[4] [5]