Capella University Hermann Von Helmholtz Contribution in Psychology Brief Speech Lend Me an Ear Write a brief speech (200–300 words) on how Helmholtz’s, Weber’s, or Fechner’s work has contributed to contemporary psychology. Include the following: A brief summary of their key contributions. The effect they had on modern psychology. Find a picture of the person you have chosen and save it. Then embed the image into your discussion post. You can embed images by using the icon to the right of the attach icon (paperclip) on the bottom left hand of the tools.