Hans Stadler

He had absolute pitch and took a keen interest in the study and description of bird calls and a wrote a book, Die Vogelsprache (1919), on the subject in collaboration with Cornel Schmitt.

His father loved fishing while his grandfather kept birds at home and the young Stadler also developed an interest in nature.

His teachers included the anatomist Arnold Spuler and the zoologist Emil Selenka (1842-1902) who studied mammalian embryos.

His dissertation in 1898 was on "On the influence of urea salicylate on Uric acid excretion and diuresis" and he passed the state medical exam.

He carried tuned metal whistles into the field and made notes to identify regional and seasonal variation and dialects in bird song.

Stadler examined older studies on bird song and wrote an appreciation of the work of Daines Barrington.

He worked with Reichslandschaftsanwalt Alwin Seifert and claimed that "Holzjuden" (Jewish timber merchants, lit.

At the end of World War II, in 1945 Stadler was arrested due to his former party associations and placed in the Hammelburg civilian internment camp.

[15] The lake continues to hold a population of endangered brine shrimps Eubranchipus grubii, that Stadler had discovered.