View Yosemite's other "Study the Scientist" videos to watch resource rangers describe their jobs.
- See wildlife biologist Sarah Stock, who specializes in ornithology
- See social scientist Bret Meldrum, who studies the quality of a visitor's park experience
- See botanist Martin Hutten, who specializes in lichens and invasive plants
- See historical architect George Jaramillo, who preserves the park's historical structures
- See hydrologist Jim Roche, who protects water resources, including Wild & Scenic Rivers