Philadelphia Museum of Art Prints curator, 1941-1963. Zigrosser was the son of an Austrian immigrant, Hugo A. Zigrosser (1860-1935), a civil engineer, and an American, Emma Haller (Zigrosser) (b. 1870), both Roman Catholics. The younger Zigrosser was fluent in German from an early age. After graduating from the Newark (N. J.) Academy in 1908, he attended Columbia College, Columbia University, with the intent of becoming a chemist. He received his B. A.