New York, NY (PRWEB) May 28, 2013 Mighty Mack announces the release of the newest add-on to its artist app series, Drawings: Egon Schiele. Egon Schiele (1890 – 1918) was an Austrian artist, a major figurative painter of the early 20th century, and a protégé of Gustav Klimt. Some view Schiele’s work as being grotesque, erotic, …