He is most notable for his studies of radiant heat .
Karl Hermann Knoblauch ( 11 April 1820 -- 30 June 1895 ) was a German physicist .
Karl Hermann Knoblauch is most notable for Karl Hermann Knoblauch 's studies of radiant heat .
Karl Hermann Knoblauch ( 11 April 1820 -- 30 June 1895 ) was a German physicist .