Harpo Marx on behalf of Harpo, Chico, and Zeppo, whom Lemmon mentioned by name. It was one of Groucho's final major public appearances. "I wish that Harpo and Chico could be here to share with me this great honor," he said, naming the two deceased brothers (Zeppo was still alive at the time). Groucho also praised the late Margaret Dumont as a great straight woman who never understood any of his jokes. Harpo Marx Arthur "Harpo" Marx (born Adolph Marx; November 23, 1888 – September 28, 1964) was an American comedian, actor, mime artist, and musician, and the second-oldest of the Marx
George Marx with noted arachnologists in America and Europe including Tamerlan Thorell, Eugène Simon, James Henry Emerton and George Williams Peckham. Marx completed and edited "Die Spinnen Amerikas" (The American Spiders) which had been left unfinished by the death of the original author, Eugen von Keyserling. Marx was a founder and active member of the Entomological Society of Washington and served as president of the organization in 1891. In addition to all his other activities he also found time to continue his medical studies and in 1885 received an M.D. from Columbian University (now George Washington University). Marx died on January 3,