Born in 1575 near Mindelheim, Swabia; died in 1650 Neisse, Silesia.
While engaged in research at Ingolstadt he discovered the existence of sun-spots.
Prior discovery was claimed by Galileo, but Scheiner was the first to make continuous observations of scientific value.
In 1616 the Archduke Maximilian invited him to Innshruck; here he made important studies in optics.
He was the author of , a standard treatise on solar phenomena.
New Catholic Dictionary