The author provides a personal perspective on Nick Martin's contributions to behavioral genetics and his role in the workshops on statistical genetics held annually in Boulder. Highlighted are Prof. Martin's seminal work on multivariate behavioral genetics, his career-long commitment to the value of the study of twins, and his enthusiastic support of the didactic mission of the 'Boulder workshops'. These contributions and activities continue unabated as we celebrate Prof. Martin's 70th birthday.
Keywords: Boulder; Martin; N.G.; behavioral genetics; biometrical genetics; multivariate genetic analysis; statistical genetics; twin study; workshop.