(1799-1859)
Johan (förut Isak) S., gravör, f. 1799, d. 1859
i Paris, blef elev vid konstakademien samt egnade
sig åt stengravyr och skulptur och var en af de unge
konstnärer, som vid denna tid sökte ge plastisk
gestalt åt de fornnordiska myterna. Vid den af
Götiska förbundet utlysta konsttäflingen 1818 vann
han pris för sin relief Tors strid med jättarna
, och vid förbundets utställning s. å. uppträdde
han med denna och några kaméaftryck. 1820 blef
han agré i konstakademien samt innehade dess
resepension 1822-29. Han for till Paris,
där han sedan stannade. För Sverige utförde han
de båda vackra medaljerna öfver kronprins Oskar som
Uppsala universitets kansler (1822) samt öfver Karl
De Geer (1823). Han lär ha utfört medaljer äfven för
Ludvig Filip och Napoleon III, men mest sysselsatte
han sig med sigillgravyr.
Nordisk Familjebok, Uggleupplagan.
Frisius, Gemma. [Reinerszoon, Jemme.]
9 december 1508 - 25 maj 1555.
Gemma Frisius was a physician, mathematician, cartographer, philosopher, and instrument maker. He created important globes, improved the mathematical instruments of his day and applied mathematics in new ways to surveying and navigation.
Frisius was born in Dokkum, Friesland (present-day Netherlands) of poor parents, who died when he was young. He moved to Groningen and studied at the University in Leuven beginning in 1525. He received the degree of MD in 1536 and remained on the faculty of medicine in Leuven for the rest of his life. His oldest son, Cornelius Gemma, edited a posthumous volume of his work and continued to work with Ptolemaic astrological models.
While still a student, Frisius set up a workshop to produce globes and mathematical instruments. He became noted for the quality and accuracy of his instruments, which were praised by Tycho Brahe, among others. In 1533, he described for the first time the method of triangulation still used today in surveying. Twenty years later, he was the first...
Bland arbeten.
(Cosmographia (1529) von Petrus Apianus, annotated by Gemma Frisius)
De principiis astronomiae et cosmographiae (1530)
De usu globi (1530)
Libellus de locorum describendorum ratione (1533)
Arithmeticae practicae methodus facilis (1540)
De annuli astronomici usu (1540)
De radio astronomico et geometrico (1545)
De astrolabio catholico (1556)
Doctor Medicine & Mathematics, cartographer,
Bland arbeten.
Bentheim Blaeu 1635, 1649 & 1662;
Bentheim, Hondius 1633.
Tooley.
Ingermanlandiae – Homanns Erben 1734
Heraldischer Atlas, Tavla 55 - H. G. Ströhl 1899.
