Hattie Carnegie was a clothing and jewelry designer who produced many beautiful costume jewelry pieces, including many figurals. Carnegie (nee Henrietta Kanengeiser) was born in 1886 in Vienna, Austria but moved to New York City, NY, USA around the turn of the century. She later opened a chain of high-priced boutiques and founded Hattie Carnegie, Inc. Carnegie jewelry is collected by many people and is marked Carnegie, Hattie Carnegie, of HC within a diamond and a half oval. The Carnegie mark was first used in January, 1919. Carnegie also designed hair jewelry, shoe buckles, and jeweled cases, which were sold with the marks "Pooped Pussy Cat" and "Pooped Poodle."

United States educator famous for writing a book about how to win friends and influence people (1888-1955)

United States industrialist and philanthropist who endowed education and public libraries and research trusts (1835-1919)