Charles Ashley Kollmer Position Alumni Role Postdoctoral Instructor in History of Biology at Caltech Bio/Description Dissertation Title: "From Elephant to Bacterium: Microbial Culture Techniques and Chemical Orders of Nature, 1875 – 1946" Degree Year 2020 Year of Study Alumni Adviser Angela N. H. Creager Area of Interest Cultural History Environmental History History of Technology Intellectual History Material Culture Medicine & Health Science Home Department & Other Affiliations History Field(s) History of Science Modern Europe World/Global/Transnational Period 20th Century 21st Century Region Europe North America Russia and Eurasia