Gregor Mendel, 1862, illustration to biographical note about Mendel in 'Principles of Heredity' by William Bateson, Cambridge 1909
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Gregor Mendel, 1862, illustration to biographical note about Mendel in 'Principles of Heredity' by William Bateson, Cambridge 1909. Wellcome Collection. Source: Wellcome Collection.