 Sauer was nonetheless able to complete his service and receive an honourable discharge.While travelling in Italy on furlough he met the Italian architect Gino Valle at his home in Udine, and Valle introduced Sauer to the ideas and work of the American architect Louis I Kahn, who practiced in Philadelphia.After returning to the States in 1955, Sauer obtained his first architectural employment in the office of Jules Gregory in Lambertville NJ.