Friedrich Ris (1867 – 1931 in Glarus) was a Swiss physician and entomologist who specialised in Odonata.[1] He was Director of a psychiatric clinic in Rheinau, Switzerland.
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References
edit- ^ Córdoba-Aguilar, Alex; Beatty, Christopher; Bried, Jason (2023). Dragonflies and Damselflies: Model Organisms for Ecological and Evolutionary Research. Oxford University Press. p. 330. ISBN 978-0-19-289862-3.