Jean Charles Marie Grenier

Jean Charles Marie Grenier (1808 – 1875) was a French botanist and naturalist who was a professor to the Faculty of Sciences at Besançon.
In 1836 he received his doctorate in medicine, followed by his degree in sciences in 1844. At Besançon, he taught classes in natural history, zoology and botany, being appointed doyen of the school in 1869.