births
Rudolph Koenig, German-French physicist and academic (died 1901)
Related Wikipedia articles
Rudolph Koenig
German businessman, instrument maker and physicist (1832–1901)
Karl Rudolph Koenig was a German businessman, instrument maker, and physicist, chiefly concerned with acoustic phenomena. He was best known for designing and building acoustical instruments such as the tuning fork and sound analyser.Source: Wikipedia (CC BY-SA)