 Nyora kupfuurira kweiyi ndima - Apedza chikoro chemutemo, Donovan akatanga kushanda pahofisi yegweta roga roga. Akanga ari mukuru mukuru muNavy mukati meHondo yeNyika II. Muna 1942, akava mutevedzeri wemugweta mukuru pahofisi yeScientific Research and Development. Kubva muna 1943 kusvika muna 1945, akanga ari gweta guru paHofisi yeStrategic Services. Muna 1945, akava mubetseri woMutongi Robert H. Jackson pamatare eNurembergmuGermany. 