One of the inventors of side-scan sonar was German scientist, Dr. Julius Hagemann, who was brought to the US after World War II and worked at the US Navy Mine Defense Laboratory, Panama City, FL from 1947 until his death in 1964.
En af opfinderne af side-scan sonaren var den tyske videnskabsmand, Dr. Julius Hagemann, som blev bragt til USA efter World War II og arbejdede ved US Navy Mine Defense Laboratory, Panama City, FL fra 1947 indtil sin død i 1964.