Education: Undergraduate Studies (Mathematics), University of Cambridge, England. B.A; M.A (1964); Graduate Studies (Mathematical Biology), University of Chicago, Ph.D (1968), Post doctoral Studies (Applied Mathematics), University of Berkeley, Berkeley, California.

Current affiliation: Harvard University, Department of Organismic and Evolutionary Biology (Research Scholar, since 1995) and Max Planck Institute for Molecular Genetics (Research Scientist, since 2002).

Previous Affiliation (Selected list): Harvard University, Massachusetts Institute of Technology (MIT), University of Grenoble, University of Paris (Visiting Professorships) Max Planck Institute for Biophysical Chemistry, Goettingen (Research Scientist).

Awards: Humboldt Fellowship; Guggenheim Fellowship.; Chaire Municipal, University of Grenoble, EMBO fellowship.

Research Interests: Computational Biology, Mathematical Studies of Evolutionary Processes. Systems Biology.

Recent Publications (Selected list): Caloric Restriction, metabolic rate and entropy. Jour. Gerontology. Biological Sciences, 2004; Complexity and demographic stability in population models (with M. Gundlach and G. Ochs), Theor. Population Bioplogy, 2004; Quantum Statistics and Allometric relations in Biology, Physica A, 2003.