Klaus-Peter Lesch is a clinical psychiatrist who has been investigating the neurobiological foundation of personality traits. His 1996 paper on the association between the 5-HTTLPR polymorphism in the serotonin transporter gene and the personality trait neuroticism has been highly cited and was one of the first papers in personality genetics.
- "Interview with Prof. Dr. K.P. Lesch". in-cites.
- Klaus-Peter Lesch, D. Bengel, A. Heils, S. Z. Sabol, B. D. Greenberg, S. Petri, J. Benjamin, C. R. Muller, D. H. Hamer & D. L. Murphy (November 1996). "Association of anxiety-related traits with a polymorphism in the serotonin transporter gene regulatory region". Science 274 (5292): 1527–1521. doi:10.1126/science.274.5292.1527. PMID 8929413.