German banker, naturalist, and poet.

Trained in Hamburg. Traveled widely in western Europe. Settled in Lübeck as a banker (1737). Amassed a collection of scientific books and natural curiosities and corresponded with European savants. Composed a long didactic poem on hummingbirds (Lübeck, 1753; second edition, 1754), as well as numerous other verses and essays on scientific subjects.

Son of — and Catharina (Hübens) Tesdorpf, of a prominent Lübeck family. Married Elisabeth Dorothea Benser (1739); one son.