In addition to exhibition reports and essayistic works he wrote knowledgeable monographs on artists including de Chirico, Matisse, Pissarro, and Cézanne.
In 1944 he married librarian Lotte Labus who had earned her own Ph.D in Berlin, and he was granted American citizenship in 1947 and freelanced for several magazines, including articles illustrated with his own photographs ’Window Shopping With Your Camera’ for Popular Photography.
[3] and 'Portraiture with Match and Candle' for The American Annual of Photography[4] In the 1950s he wrote for various European newspapers Frankfurter Allgemeine Zeitung, Handelsblatt, Aufbau, and Art News and was the American correspondent to the Swiss Camera magazine[5] in which, in writing on 'The photographers of the United Nations' he expressed the opinion that “The aim of the United Nations is identical with that which lies closest to the hearts of photographers: to bring the nations closer together through mutual understanding,”[6] Neugass became a member of the American Society of Magazine Photographers and was exhibited in the Village Camera Club.
He traveled to Mexico to make ethnological photographic documentation of rural life[7] in 1953 which was shown in an exhibit at the American Museum of Natural History in 1954.
His photography was featured by Edward Steichen in two exhibitions at the Museum of Modern Art; Abstraction in Photography, May 1–July 4, 1951 which featured his photographs of New York skyscrapers reflected in puddles, windows and on car duco, and The Family of Man January 24–May 8, 1955, his contribution to the latter being made on Coney Island of swimsuit-clad couples embracing on the beach.
[8] Neugass' late work as a journalist included critical evaluations of the buying policy of the museums and strategies of the art market.