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David Lamar Lewis Edit Profile

research microbiologist

David Lamar Lewis, American research microbiologist. Member Sigma Xi (secretary 1991-1993, president chapter 1994-1995), Phi Kappa Phi.


Lewis, David Lamar was born on May 28, 1948 in Tampa, Florida, United States. Son of Homer Willard and Thelma (Marion) Lewis.


Bachelor of Science, University Georgia, 1971. Doctor of Philosophy, University Georgia, 1986.


Analytical chemist Ciba-Geigy Corporation, McIntosh, Alabama, 1975-1976. Microbiologist United States Environmental Protection Agency, Athens, Georgia, 1971-1974, research microbiologist, since 1977. Member graduate faculty and department ecology University Georgia, Athens, since 1989.

Member European Panel on Infection Control in Dentistry, since 1995.


  • Achievements include a patent for a dolomitic activated carbon filter that uses microbial competition to prevent colonization of the water filter by harmful microbes. The discovery that dental handpieces and their attachments could still transmit hepatitis and Acquired Immune Deficiency Syndrome viruses after treatment with germicides, prompting upgrading of sterilization guidelines. Development of theory that natural microbial processes, such as nutrient cycling, carbon fixation, and greenhouse gas production depend on interactions between quiescent and active microbial populations to maintain system-level stability.


  • Other Work

    • Member editorial board Society Environmental Toxicology and Chemistry, 1991-1993. Contributor articles to professional journals.


Member Sigma Xi (secretary 1991-1993, president chapter 1994-1995), Phi Kappa Phi.


Married Kathy Ann Langford, September 15, 1984. Children: Joshua David, Jedediah Keith.

Homer Willard Lewis

Thelma (Marion) Lewis

Kathy Ann Langford

Joshua David Lewis

Jedediah Keith Lewis