Richard Adolf Zsigmondy
| Richard Adolf Zsigmondy | |
|---|---|
| Born | 1 April 1865 | 
| Died | 23 September 1929 (aged 64) | 
| Nationality | Austrian | 
| Alma mater | Technical University of Vienna University of Munich | 
| Spouse | Laura Luise Müller | 
| Children | 2 | 
| Parents | 
 | 
| Relatives | Frigyes Schulek (cousin) Dénes Zsigmondy | 
| Awards | Nobel Prize in Chemistry (1925) | 
| Scientific career | |
| Fields | Chemistry | 
| Institutions | University of Vienna Technical University of Vienna University of Munich Graz University of Technology University of Göttingen | 
| Doctoral advisor | Wilhelm von Miller | 
Richard Adolf Zsigmondy (Hungarian: Zsigmondy Richárd Adolf; 1 April 1865 – 23 September 1929) 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.