German botanist (1853-1937).
Gustav Albert Peter (21 August 1853, in Gumbinnen – 4 October 1937, in Göttingen) was a German botanist. In 1874, he received his doctorate at the University of Königsberg, and later on, worked as an assistant to Carl Nägeli at the Ludwig-Maximilians-Universität München, and then as a curator at Alter Botanischer Garten (Munich). In Munich, he edited the well-known exsiccata Hieracia Naegeliana [exsiccata] (1884–1886) with a number of Hieracium specimens from the herbarium of Carl Nägeli, some of them observed and collected at the Alter Botanischer Garten (Munich). From 1888 to 1923, he was a