Nevertheless, his philosophical expertise was too great to go untapped, and the university gave him the unusual dual commission to hold lectures in both medicine and Aristotle from 1564 onwards.

While somewhat neglected by modern scholarship, his numerous commentaries upon the Aristotelian corpus are highly regarded, especially his De demonstratione libri XV.

[3] He likewise was involved in a dialogue with Thomas Erastus concerning the ubiquity of Christ's physical body in the Lord's Supper.

[4] Prominent students included Nicolaus Taurellus and Andreas Planer, and Schegk exercised a more distant influence on the French Paracelsian Joseph Duchesne Quercetanus.

Recent studies have demonstrated his long lasting impact on early modern medical theory.