Frederick A.O. Schwarz Jr. Frederick A.O. Schwarz Jr. Frederick August Otto "Fritz" Schwarz Jr. (born April 20, 1935) is an American lawyer born in New York City. Schwarz was born in New York City, the great-grandson of German-American Frederick August Otto Schwarz, the founder of the Fifth Avenue toy store, F.A.O. Schwarz. His family sold the majority interest in the toy store in 1963. He graduated from Harvard University in 1957 and received a law degree from Harvard Law School in 1960. In 1960, he organized picketing at a Woolworth store in sympathy with black demonstrators in Greensboro, N.C. He married Marian in 1959.
Rohde & Schwarz systems. In 2011, the company added voice communications systems for air traffic control (ATC) to its product offering. These systems are based on a product from Topex SA, a company in which Rohde & Schwarz acquired a majority interest in 2010. Rohde & Schwarz SIT GmbH develops crypto products and systems for government agencies, the German armed forces, authorities, the military and private industry. The subsidiary's high-security encryption technology is used for both wireless and wireline communications. As early as 2001, Rohde & Schwarz SIT set standards in secure mobile communications by launching the world's first crypto phone TopSec GSM.