Keith Johnstone
| Keith Johnstone | |
|---|---|
| Johnstone in 2017 | |
| Born | Donald Keith Johnstone 21 February 1933 Brixham, England | 
| Died | 11 March 2023 (aged 90) Calgary, Alberta, Canada | 
| Education | St Luke's College Exeter | 
| Occupations | 
 | 
| Years active | 1956–2018 | 
| Known for | Work in improvisational theatre | 
| Spouse | Ingrid von Darl (div. 1981) | 
| Children | 2 | 
| Website | www | 
Donald Keith Johnstone (21 February 1933 – 11 March 2023) was a British-Canadian educator and theatre director. A pioneer of improvisational theatre, he was best known for inventing the Impro System, part of which are the Theatresports. He was also an educator, playwright, actor and theatre director.