 Moser was born on 13 March 1924 in Innsbruck , Austria , to parents Margaretha and Josef Moser . His father was a teacher at a technical college in the city , while his mother was the daughter of noted botanist Emil Johann Lambert Heinricher . Moser attended primary school and grammar school in the city , and showed an interest in natural sciences from a young age . His interest was cultivated by Heinricher , and Moser 's earliest paintings of mushrooms date to 1935 when he was 11 years old . 
