1510 – 9 June 1575)[1] was a Hebrew bibliographer, publisher, and teacher associated with the University of Ingolstadt He was born in Rödelsee, Germany.
In 1544 he edited and printed at Augsburg a Judaeo-German translation of the Pentateuch and the Haftarot, dedicating it to Johann Albrecht Widmannstetter, custodian of the Hebrew department of the Munich Library.
Perles supposes that Æmilius, together with Isaac of Günzburg, was the editor of the Judaeo-German Sefer midot (Book of Virtues), published at Isny in 1542.
In 1562 he edited a Judaeo-German translation (in German characters) of the Books of Samuel, without, however, making known that it was a copy of a similar translation—though in Hebrew letters—published in Augsburg, 1543, by Chayyim Schwarz.
In 1574 he was engaged for forty-six weeks at the Munich Library in making and revising the catalogue of Hebrew manuscripts and books.