| Bruce Macintosh Cattanach | |
| Honorific Suffix: | FRS |
| Birth Date: | 5 November 1932 |
| Birth Place: | Glasgow, Scotland |
| Fields: | Mouse genetics |
| Workplaces: | MRC Harwell; Institute of Animal Genetics, Edinburgh; Oak Ridge National Laboratory, Tennessee; City of Hope Medical Center, Duarte, California |
| Education: | Heaton Grammar School, Newcastle upon Tyne; Durham University; Institute of Genetics, Edinburgh (Ph.D.) |
| Doctoral Advisor: | Charlotte Auerbach |
| Academic Advisors: | Robert G. Edwards |
| Known For: | Work on autosomal imprinting and X chromosome inactivation. |
| Awards: | Fellow of the Royal Society--> |
| Spouses: | Margaret Bouchier Crewe (d. 1996); Jo Peters |
| Father: | James Cattanach |
| Mother: | Margaretta May Cattanach (née Fyffe) |
Bruce Macintosh Cattanach FRS[1] (5 November 1932–8 April 2020) was a British mouse geneticist, known for his pioneering work in the fields of autosomal imprinting and X chromosome inactivation.
With contemporaries that included Mary Lyon FRS (who discovered X chromosome inactivation), Bruce’s research career was based at MRC Harwell. He would go on to serve as acting director of the new Mammalian Genetics Unit[2] in 1996.
He was elected Fellow of the Royal Society in 1987, and the Bruce Cattanach Prize was launched by the Genetics Society in 2022.