On this day in 1883, Oscar Hammerstein I was granted a patent for a cigar rolling machine. The profits from this invention provided him with the resources to realize his true ambition, and in 1889 he entered the entertainment business when he opened the Harlem Opera House. On today's "A Classical Day in the Life", we explore Hammerstein's contributions to grand opera in the late 19th and early 20th centuries.
