Jacob Theodor Klein (1685–1759), Royal Prussian jurist, historian, botanist, mathematician and diplomat
Geus, Armin: Die Kontroverse von R. A. F. de Réaumur und J. Th. Klein über Bau und Wachstum der Schneckenschalen. in Janus. no. 65, Amsterdam 1978
In 1743, Jacob Theodor Klein in his "Summa dubiorum" produced another illustration of the same.
Calvin Klein | Jacob | John Jacob Astor | Jacob M. Appel | Jacob Epstein | Jacob Zuma | Jacob Obrecht | Yves Klein | Naomi Klein | Theodor Fontane | Theodor Mommsen | Melanie Klein | Jacob Lawrence | Jacob Appel | John Jacob Astor IV | Joe Klein | Irène Jacob | Theodor Herzl | Ralph Klein | Carl Theodor Dreyer | Jacob Jordaens | Felix Klein | Thomas Theodor Heine | Theodor Boveri | Paul Jacob | Calvin Klein (fashion designer) | Theodor Meynert | Meshullam ben Jacob | Jacob Riis | Jacob Grimm |