Show mint old did to appreciate his man joany sidedness we lle have but to follow the development of hie his life NN valle hile his first work was las nunly his second waa jn ill quite a different lold field it consisted in III the measurement of or the tile velocity of 0 pro of sensation by tho the berles to com this he must need have been i anatomist too his ills labors in the line of psychological optics show shon that he was ana also a master 1 of but dut perhaps it ie Is b bit ME ments in the realms of mui that he Is best known and anti arost ce orated in hta book the sensations of tone ho he solved completely complete iv the riddle of nature which hid puzzled the world since tho the time of pythagoras thus to give a rational tion I 1 numerical merical ti explanation of the intricacies tr trica cies of harmony ord ard their effect on thi ear there was v need not only of a mathematician an anatomist a ph physicist but also a niu in all till united la in one oils man helmholtz wag was all this and even more scribners magazine |