W. (Walter) Migula

Born in 1863 in Żyrowa, then in Prussia, Walter Migula became a German botanist whose work ranged across cryptogamic botany, plant physiology, lichenology, phycology, and bacteriology. Sources consistently describe him as Emil Friedrich August Walter Migula, sometimes with the variant spelling Walther, and note that he died in Eisenach in 1938.

He was habilitated in botany in 1890 at the Karlsruhe Institute of Technology, where he later taught as a professor. He is especially remembered for major reference works on cryptogams and for influential publications on bacteria, including System der Bakterien and An introduction to practical bacteriology, which helped present bacteriology in a clear, practical form for students and professionals.

For readers encountering his name in older scientific books, Migula is best understood as a scholar of the period when modern microbiology and botanical classification were still taking shape. His writing reflects that transitional era: careful, systematic, and aimed at making new scientific knowledge usable.