He wrote many articles and books regarding Freemasonry as well as articles for magazines. He was a early writer for DC Comic's All-American Comics∼Carl Harry Claudy was an American magazine writer, a journalist for the New York Herald and author of a number of books relating to photography and to aviation. He was also a Masonic leader, speaker, playwright, and essayist. He wrote several handbooks for Masons. Claudy wrote many science fiction stories which were serialized in The American Boy magazine during the early 1930s. Four were revised and expanded into juvenile novels known as the "Adventures in the Unknown" series. From 1939-1941, he wrote for DC comics. He was also a Masonic leader, speaker, playwright, and essayist. Claudy's association with Freemasonry began in 1908, when, at the age of 29, he was raised a Master Mason in Harmony 17 in Washington, DC. He served as its master and eventually served as grand master of Masons in the District of Columbia in 1943. His Masonic writing career began in earnest when he became associated with the Masonic Service Association in 1923, serving as associate editor of its magazine, The Master Mason until 1931. Claudy wrote approximately 350 Short Talk Bulletins. In addition to the bulletins themselves, he wrote and distributed innumerable digests, special bulletins, and portfolios of historical and factual nature, all designed to promote the Craft. In 1930 he published serially in The Master Mason his novel, The Lion's Paw. Other works included The Master's Book, which lays forth the principles and practices of a successful lodge master, and his primer for new Masons entitled Introduction to Freemasonry, which enjoyed international popularity. He became executive secretary of the Masonic Service Association in 1929, a position held until his death in 1957. In 1934, he penned the first of a series of 12 Masonic plays. In 1956, he was named Honorary Passed Grand Master of North Dakota. In consequence of his long service, Masonic recognition was mighty. He was a 33rd Degree Scottish Rite Mason, recipient of the Henry Price medal and honorary member of many Grand Lodges and lodges.