![Sara](https://sites.brown.edu/physics-instructional-labs/files/2022/01/BB47E8AE-6B71-4990-AF3B-140A2AD73FD4-300x300.jpg)
Sara Mueller
Laboratory Physicist & Director of Instructional Labs
Sara graduated from The Ohio State University in 2019 with a PhD in Physics. She is committed to the improvement of the laboratory space as an exciting and fun arena in which to learn physics. When she’s not working on interesting physics problems, she enjoys knitting, gardening, and playing with her two dogs and cat.
sara_mueller@brown.edu
Barus and Holley 218
![Bob](https://sites.brown.edu/physics-instructional-labs/files/2021/12/photo-coming.png)
Bob Horton
Manager of Astronomy Labs and Ladd Observatory
Bio
robert_horton@brown.edu
![Ken](https://sites.brown.edu/physics-instructional-labs/files/2021/12/photo-coming.png)
Ken Silva
Introductory Labs Manager
Bio
kenneth_silva@brown.edu
![Angella](https://sites.brown.edu/physics-instructional-labs/files/2021/12/photo-coming.png)
Angella Johnson
Demonstrations Manager
Bio
angella_johnson@brown.edu
![Mike](https://sites.brown.edu/physics-instructional-labs/files/2021/12/photo-coming.png)
Mike Umbricht
Ladd Observatory Curator
Bio
michael_umbricht@brown.edu