High fidelity or hi-fi refers to the reproduction of sound and image that is very faithful to the original. That is without noticeable amount of noise and distortion.
... - Joseph Schmidt[?], tenor (+ 1942)
March 7 - Reinhard Heydrich, Nazi official
March 20 - B. F. Skinner, behavioral psychologist (+ 1990)
March 23 - Joan Crawford, ...