과학·기술
David Rittenhouse
- 발명가
- 1732년 4월 8일 출생 · 1796년 6월 26일 별세
Q116994205Q294126Q205375Q170790Q157798Q11063
소개
David Rittenhouse was an American astronomer, inventor, clockmaker, mathematician, surveyor, scientific instrument craftsman, and public official. Rittenhouse was a member of the American Philosophical Society and the first director of the United States Mint.
사진 라이선스: Wikimedia Commons