Richard Adolf Zsigmondy was an Austrian-born chemist. He was known for his research in colloids, for which he was awarded the Nobel Prize in Chemistry in 1925, as well as for co-inventing the slit-ultramicroscope, and different membrane filters. The crater Zsigmondy on the Moon is named in his honour.
- Occupation
- physicist, chemist, inventor, professor
- Position held
- professor
- Citizenship
- Austria
- Born
- April 1, 1865, 1865
- Died
- September 23, 1929, 1929