As soon as science has solved one problem, new ones arise. This is the essence of science, and it applies, of course, also to the field of essential oils. — Otto Wallach
Tags: #Problem, #Essence, #Field, #OttoWallach, #German, #Scientist
Mini who’s who:
Otto Wallach : German Scientist
Born: March 27, 1847
Died: February 26, 1931