death_place death_date birth_place citizenship fields workplaces notable_students birth_date article_title academic_advisors name alma_mater
oslo 9 july 1985 verdal norwegian marine biology planktology university of oslo grethe rytter hasle 15 september 1903 trygve braarud
 haaken hasberg gran trygve braarud university of oslo
trygve braarud

trygve braarud -lrb- 15 september 1903 -- 9 july 1985 -rrb- was a norwegian botanist .
he specialized in marine biology , and was affiliated with the university of oslo for most of his career .
