Johann Balthasar Schnetzler (3 November 1823 inGächlingen – 29 June 1896 inLausanne) was a Swiss naturalist.
In 1840/41, he studied atPolytechnic Stuttgart and, for a period of time, taught French classes at theSchaffhausen gymnasium. From 1844 to 1847, he furthered his education at theUniversity of Geneva and, from 1847 to 1867, worked as a science teacher at the progymnasium inVevey. In 1864, he became an associate professor, and, from 1871, was a full professor ofbotany at theAcademy of Lausanne. From 1879 to 1881, he served asacademic rector.[1]
He was the author of many scientific papers with botanical,mycological and zoological themes,[2] a few of which have been translated into English. In 1873, he published a book on introductory botany titledEntretiens sur la botanique.[3] Also, he is thetaxonomic authority of thebryophytevarietyThamnium alopecurum var. lemani.[4] In the field ofhuman nutrition, he collaborated withHenri Nestlé in the development of a powderedinfant formula.[5]