To begin with, Leon Theremin, originally known as Lev Sergeyevich Termen, was a highly influential Russian inventor throughout human history . He is best known for his invention of the theremin, one of the first electronic musical instruments ever made. Additionally, Léon Theremin is the inventor of a plethora of other inventions, some of which include the burglar alarm, the Great Seal bug, and Terpsitone. There are countless interesting things to say about this innovative person. Without it, society would not know or appreciate the things we have in the same way. This research will discuss Léon Theremin's biography, his contributions to music, and his countless inventions that have benefited and improved society on a global scale. First, Leon Theremin, originally born as Lev Sergeivitch Termen, was born in 1896, in Saint Petersburg, Russia. He was of German and French descent and had a sister named Helena. At the age of seven, he became interested in electricity. At the age of thirteen, Theremin began observing and testing high-frequency circuits. Later, during his high school years, he was able to demonstrate optical effects using electricity to an audience, and by the age of seventeen he had his own laboratory to continue his electrical experiments. It was obvious that young Léon Theremin had a brilliant mind. Growing up, he received "training as a physicist and musician" (Léon Theremin) and later began to develop what is today called the theremin. After creating this remarkable instrument, the theremin, he “demonstrated his theremin to the Soviet revolutionary leader, Lenin,” in 1922. From there he was sent on tour, which included “sold-out concerts” (Léon ..... middle of paper ......ame. Many of the things he created were considered unthinkable in his time in society and because of his ability to radically change the way we think or d. 'use the world, Léon Theremin, will be remembered forever. Works Cited Wierzbicki, James. "Beird Vibrations: How The Theremin Gave Musical Voice To Hollywood's Extraterrestrial "Others"." 125-135. Selected full text (HW Wilson). Web, May 29, 2012. WILLIAM, GRIMES. "Leon Theremin, Musical Inventor, Dead at 97." NewsBank - Web Archives. May 29, 2012. "Leon Theremin Biographical Database (2011): 1. MAS Ultra - School Edition Web, May 30, 2012." 14. Academic Research Premier. Internet. May 30 2012.