Returning in 1613 to Heidelberg, after the marriage of the elector with Princess Elizabeth of England, he was appointed professor of dogmatics, and in 1616 director of the theological department in the Collegium Sapientiae.
When Count Tilly took the city of Heidelberg (1622) and handed it over to plunder, Alting found great difficulty in escaping the fury of the soldiers.
He first retired to Schorndorf; but, offended by the "semi-Pelagianism" of the Lutherans with whom he was brought in contact, he removed to Holland, where the unfortunate elector and "Winter King" Frederick, in exile after his brief reign in Bohemia, made him tutor to his eldest son.
Though an orthodox Calvinist, Alting laid little stress on the sterner side of his creed and, when at Dort he opposed the Remonstrants, he did so mainly on the ground that they were "innovators.
[2] Unfortunately the work included the doubtful assertion that Elector Frederick the Pious jointly commissioned Zacharias Ursinus and Caspar Olevianus to compose the Heidelberg Catechism.