In 1913, he obtained his doctorate of sciences, and until 1916, worked as a high school teacher in Vienna.
During World War I, he was stationed in Galicia and Albania, where he collected specimens in his spare time.
[2] Starting from 1908 until 1970 he edited altogether fourteen exsiccatae by distributing large sets of fungal and plant specimens.
[4] Among them are the exsiccata-like series Fungi Eichleriani (Mycotheca Eichleriana) (1908-1912) which distributed material collected by Gustav Adolf Ferdinand Eichler and the exsiccata Cirsiotheca universa (1908-1927).
& K.R.C.Reddy 1968 (Ascomycota) and Petrakina (family Asterinaceae) have all been named in his honor, the latter genus being circumscribed by Raffaele Ciferri in 1932.