Professional/specialist Famous Names Starting with Letter J

Was a German cartographer and mathematician. Endersch also held the title of Royal Mathematician to

Was a German cartographer and mathematician. Endersch also held the title of Royal Mathematician to King Augustus III of Poland. In 1755 Endersch completed for Imperial Prince-Bishop Adam Stanislaw Grabowski (Celsissimo ac Reverendissimo S. Rom. Imp. Prin

Was a German naturalist, botanist and entomologist.He studied medicine at University of Tübingen an

Was a German naturalist, botanist and entomologist.He studied medicine at University of Tübingen and graduated with an M.D. in 1769. He became an adjunct professor of medicine at University of Tübingen. In 1773 he became professor of philosophy and adjunct professor of medicine at University of Göttingen. He was promoted to full professor of medicine and professor of chemistry, botany and mineralogy in 1778. He died in 1804 in Göttingen.Johann Friedrich Gmelin published several textbooks in the fields of chemistry, pharmaceutical science, mineralogy and botany. He also published the 13th edition of Systema Naturae by Carolus Linnaeus in 1788.

Was a German pharmacist and botanist.His principal work was in the field of mycology, with the study

Was a German pharmacist and botanist.His principal work was in the field of mycology, with the study and description of many species of mushroom. In taxonomy, his name is abridged to Klotzsch.

Was a German scientist and editor.Naumann is regarded as the founder of scientific ornithology in Eu

Was a German scientist and editor.Naumann is regarded as the founder of scientific ornithology in Europe. He published The Natural History of German Birds (1820-1844) and The Eggs of German Birds (1818-1828).

Was a German mathematician and architect. He attended an academy for Silesian nobility in Legnica. I

Was a German mathematician and architect. He attended an academy for Silesian nobility in Legnica. In 1717, he was appointed as the court controller for the sons of the Duke of Haugwitz. He died on September 17, 1749, in Göttingen.[1]

Was a German mathematician. He was described as one of Germany's most eminent mathematicians during

Was a German mathematician. He was described as one of Germany's most eminent mathematicians during the 19th century. He studied integral calculus, and is noted for his work on partial differential equations of the first order (Pfaffian systems as they ar

Was a German naturalist, botanist and geographer.He was a gifted child and graduated with a medical

Was a German naturalist, botanist and geographer.He was a gifted child and graduated with a medical degree at the age of 18. In 1730 he travelled to St Petersburg to lecture at the university, and in the following year was appointed professor of chemistry and natural history. At his suggestion, Johann Amman left Hans Sloane in London to take up a post in St Petersburg. The final two volumes of Johann Christian Buxbaum's (1693-1730) Centuria were published posthumously by Gmelin.[1]From 1733 to 1743 Gmelin made a journey of scientific exploration through Siberia. He described the position of the Yenisey river as a boundary between Europe and Asia and participated in measuring the lowest temperature ever recorded at Yeniseysk

Was an important German philosopher, a main proponent of the Sturm und Drang movement, and associate

Was an important German philosopher, a main proponent of the Sturm und Drang movement, and associated by historian of ideas Isaiah Berlin with the Counter-Enlightenment. He was Pietist Lutheran, and a friend (while being an intellectual opponent) of the p

Was a German astronomer who became famous for discovering the Comet Halley on Christmas Day 1758.Gro

Was a German astronomer who became famous for discovering the Comet Halley on Christmas Day 1758.Growing up to a succesfull farmer under the strict regime of his stepfather, he learned in his spare time as much he could secretly out of some affordable books. Some fundamental contemporary astronomy delivered the book "Vorhof der Sternwissenschaft" by Christian Pescheck. He learned Latin and when he was 21 he inherited the farm and could manage to develope his own botanic garden, library, laboratory and museum. He found the right persons supporting him even upto the later King. But the wars between Prussia and Austria also disturbed his ambitions.

Was a German herpetologist.Wagler was assistant to Johann Baptist von Spix, and became Director of t

Was a German herpetologist.Wagler was assistant to Johann Baptist von Spix, and became Director of the Zoological Museum at the University of Munich after Spix's death in 1826. He worked on the extensive collections brought back from Brazil, and wrote Monographia Psittacorum (1832), which included descriptions of the blue macaws.

Was a German astronomer at the Berlin Observatory who, with the assistance of student Heinrich Louis

Was a German astronomer at the Berlin Observatory who, with the assistance of student Heinrich Louis d'Arrest, was the first person to view the planet Neptune, and know what he was looking at (September 23, 1846). He used the calculations of Urbain Le Verrier to know where to look.Galle studied at the University of Berlin from 1830-33. He had started to work as an assistant to Johann Franz Encke in 1835 immediately following the completion of the Berlin observatory. In 1851 he moved to Breslau (Wroclaw) to become professor of astronomy and the director of the local observatory.

German philosopher, poet, and literary critic. He is associated with the periods of Enlightenment, S

German philosopher, poet, and literary critic. He is associated with the periods of Enlightenment, Storm and Stress, and Weimar Classicism.

A German philosopher, poet, and literary critic. He is associated with the periods of Enlightenment,

A German philosopher, poet, and literary critic. He is associated with the periods of Enlightenment, Storm and Stress, and Weimar Classicism.

German philosopher. He was one of the founding figures of the philosophical movement known as German

German philosopher. He was one of the founding figures of the philosophical movement known as German idealism, a movement that developed from the theoretical and ethical writings of Immanuel Kant.

Was a German geographer and chemist.Georgi was professor of chemistry at St Petersburg. He accompani

Was a German geographer and chemist.Georgi was professor of chemistry at St Petersburg. He accompanied both Johann Peter Falck and Peter Simon Pallas on their respective journeys through Siberia. Georgi was particularly interested in Lake Baikal. He wrote a description of his travels in Bemerkungen einer Reise im Russischen Reich im Jahre 1772 (1775).

Was a Pomeranian jurist, and alchemical writer. He is recorded also as a medical advisor to Ernest o

Was a Pomeranian jurist, and alchemical writer. He is recorded also as a medical advisor to Ernest of Bavaria, a Syndic, and an Episcopal counselor. His writings include the Aperta Arca arcani artificiosissimi (1617)[4] and a Cabala Chymica (1658)[5]. The

A German zoologist. In 1836 he was director of a museum in Brunswick. He was the author of two books

A German zoologist. In 1836 he was director of a museum in Brunswick. He was the author of two books on vertebrates: Fauna der Wirbelthiere Deutschlands (1857) and Die wirbelthiere Europa's (1840) (with Alexander Keyserling). In 1840, he founded the Botanic Garden of the Technical University of Braunschweig.

Was a Swiss mathematician, physicist and astronomer.so Johann had to struggle to gain an education.

Was a Swiss mathematician, physicist and astronomer.so Johann had to struggle to gain an education. He first worked as a clerk in an ironworks, then gained a position in a newspaper office. The editor recommended him as a private tutor to a family, which gave him access to a good library and provided enough leisure time in which to explore it. In 1759 he moved to Augsburg, then in 1763 he dwelt in Berlin. In the final decade of his life he gained the sponsorship of Frederick II of Prussia, and passed the rest of his life in reasonable comfort. He died in Berlin, Prussia (today Germany).

Was a German astronomer. Not to be confused with J. G. Westphal, who discovered the lost periodic co

Was a German astronomer. Not to be confused with J. G. Westphal, who discovered the lost periodic comet 20D/Westphal in 1852.He was born in Schwerin. His professional career was spent mostly in Italy. He translated Giuseppe Piazzi's Lezioni elementari di astronomia ad use del real osservatorio di Palermo into German. He died in Sicily.

Was a German astronomer.In 1777 he was appointed Secretary of the Royal Chamber of George III in Han

Was a German astronomer.In 1777 he was appointed Secretary of the Royal Chamber of George III in Hanover, where he made the acquaintance of two of William Herschel's brothers. In 1779 he acquired a three-foot-long (91 cm, almost one metre) achromatic refractor with 2.25-inch (57 mm) lens (50 mm) to observe the Sun, Moon and Venus. Herschel's discovery of Uranus in 1781 inspired Schröter to pursue astronomy more seriously, and he resigned his post and became chief magistrate and district governor of Lilienthal.In 1784 he paid 31 Reichsthaler (about 600 Euros of today) for a Herschel reflector of 122 cm focal length and 12 cm aperture. He quickly gained a good name from his observational reports in journals, but was not satisfied and in 1786 paid 600 Reichstaler (an equivalent of six months earnings) for a 214 cm focal length 16.5 cm aperture reflector with eyepieces allowing up to 1,200 magnification

Was a German botanist.Dillen was born at Darmstadt and was educated at the University of Giessen, wh

Was a German botanist.Dillen was born at Darmstadt and was educated at the University of Giessen, where he wrote several botanical papers for the Ephemerides naturae curiosorum, and printed, in 1719, his Catalogus plantarum sponte circa Gissam nascentium,

Was an Austrian taxidermist, zoologist, and ichthyologist from Mannheim.Though not a formally traine

Was an Austrian taxidermist, zoologist, and ichthyologist from Mannheim.Though not a formally trained zoologist he worked his way up through the ranks to eventually become the director of the Fish Collection at the Naturhistorisches Museum in Vienna. Not a traveler or explorer like many of the scientists of the time, he remained in Vienna where he studied and catalogued specimens sent to him from the field.

Was a German naturalist.He was born at Darmstadt. After studying at Göttingen and Heidelberg he spe

Was a German naturalist.He was born at Darmstadt. After studying at Göttingen and Heidelberg he spent two years at Leiden, where his attention was specially devoted to the amphibians and fishes. He then returned to Darmstadt as an assistant in the grand ducal museum, of which in 1840 he became inspector. In 1829 he published Skizze zur Entwickelungsgeschichte der europäischen Thierwelt, in which he regarded the animal world as developed from lower to higher forms, from the amphibians through the birds to the beasts of prey; but subsequently he repudiated this work as a youthful indiscretion,

Was a German jurist, publicist and researcher, whose work earned him the title "The Father of German

Was a German jurist, publicist and researcher, whose work earned him the title "The Father of German Constitutional Law" and whose political commitment to the principles of Liberalism caused him to lose academic positions and spend years as a political pr

Was a German-born astronomer and mathematician who later became a naturalized French citizen. (He la

Was a German-born astronomer and mathematician who later became a naturalized French citizen. (He later became known as Jean Charles Burckhardt -- as in the engraved portrait shown here). He is remembered in particular for his work in fundamental astronomy, and for his lunar theory, which was in widespread use for the construction of navigational ephemerides of the Moon for much of the first half of the nineteenth century.