2013 Photomicrography Competition
![Small World](/images/SW50-logo.png)
![](https://www.nikonsmallworld.com/images/photos/2013/_photo800/Entry_24059_John-Hart-2.jpg)
Image of Distinction
Crystal of sulphur, resorcinal, azelaic acid
Dr. John Hart
- Affiliation
- University of Colorado Boulder
Hart3D Films and Department of Atmospheric and Oceanic Sciences
Boulder, Colorado, USA
- Technique
- Magnifaction
- 50