Jacob | John Jacob Astor | Jacob M. Appel | Jacob Epstein | Jacob Zuma | Jacob Obrecht | Georg Solti | Georg Philipp Telemann | Johann Georg Wagler | Georg Wilhelm Friedrich Hegel | Jacob Lawrence | Jacob Appel | John Jacob Astor IV | Irène Jacob | Georg Trakl | Georg Forster | Georg Cantor | Georg Büchner | Georg Baselitz | Jacob Jordaens | Hans-Georg Backhaus | Paul Jacob | Georg von Holtzbrinck Publishing Group | Barthold Georg Niebuhr | Meshullam ben Jacob | Jacob Riis | Jacob Grimm | Jacob Christian Schäffer | Jacob Appelbaum | Georg Büchner Prize |
During his career, he took numerous scientific trips throughout Europe — travels where he met and studied with scientists that included Jacob Georg Agardh (1813-1901), Alfred Mathieu Giard (1846-1908), Louis Mangin (1852-1937) and Narcisse Théophile Patouillard (1854-1926).