About Benjamin Miessner
Benjamin Franklin Miessner was an American radio engineer and inventor. He is most known for his electronic organ, electronic piano, and other musical instruments. He was the inventor of the Cat's whisker detector. It was while he was in Washington that he invented the "cat whisker" detector which allowed for receiving radio waves by crystal sets. While working for Hammond he invented a superheterodyne radio system. The group also invented the Electric Dog, a prop they used to demonstrate how light changes the electrical conduction properties of selenium.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.