Then, the family moved to North America, where Áskell became associate professor of botany at the University of Manitoba, Canada.
[10] In 1974, Áskell, then full professor and chairman of the biology department of the university of Colorado Boulder, was forced to resign.
In 1997, his wife wrote her family history, a 86-page biography that provides a detailed explanation of her husband's forced resignation.
[11] Áskell also wrote papers about plant evolution from a more theoretical angle, e.g. the still cited The biological species concept and its evolutionary structure.
[13] Áskell married his fellow student and colleague Doris Löve (née Wahlén).