Casimir Sienkiewicz (1890-1974). Prominent economist and banker who emigrated from Poland in 1906. He was an advisor to federal, state, and local governments, an active civic and community leader, and was also a well-known impressionist painter. In 1964, he was named first chairman of the Southeastern Pennsylvania Transportation Authority (SEPTA), one of the largest urban mass transit agencies in the nation. He resided here, 1938-1974.