July 2008-June 2009    Visiting professor, Division of Physical Chemistry, Stockholm University,  Stockholm, Sweden

Sept 2013- March 2014   Visiting professor, the department of Chemistry and biological chemistry, Indiana University IUPUI, Indianapolis, Indiana

 March-June 2014:  Visiting professor, Department of Chemistry and Department of pharmacology, The University of Minnesota, Minneapolis.

Sept-December 2014: Visiting professor, the Institute of computational physics, the University of Stuttgart, Stuttgart, Germany.

Mar.- July 2002 Visiting Professor. Institute of Chemical Process Fundamentals. Academy of sciences Czech Republic Prague 6

July - Sept 2002 Visiting Professor, Dept. of Physics and Astronomy, University College, London, England.

March- July 2003 Visiting Professor, Dept. of Biochemistry, Kansas State University, Manhattan, Kansas. 66506, USA

July- Nov 2003 Visiting Professor, Dept. of Chemistry, Duquesne University, Pittsburgh, PA, 15282, USA

December 2003 Visiting Professor, Dept. of Chemistry, Australian defense Forces Academy, Canberra, Australia.

Jan-Mar 2004 Visiting Professor, Dept. of Chemistry, University of the Philippines, Diliman, Quezon City, Philippines.

Sept 2004 - July 2006 Visiting Professor, Dept. of Physical Chemistry University of Burgos, Burgos, Spain

Summer 2006 Visiting Professor, Dept. of Computational Molecular Biophysics, University of Heidelberg, Heidelberg, Germany

Oct 2006- Oct 2007   Visiting scholar, Center of Theoretical Biological Physics, University of California San Diego (UCSD), La Jolla, CA

Oct 2007 -June 2008   Visiting researcher, National Institute of Standards & Technology (NIST), Maryland, USA

July 2008- June 2009   Division of Physical Chemistry, Arrhenius Laboratory, Stockholm University,
Stockholm, Sweden

June 2009- Present:     The Hebrew University of Jerusalem, Givat Ram, Jerusalem, Israel

April 1985 - Nov. 1985 Visiting Professor, Dept. of Chemistry, University of the Philippines, Diliman, Quezon City, Philippines.
Nov. 1985 - Nov. 1986 Visiting Scientist, Laboratory of Mathematical Biology, National Institutes of Health, Bethesda, Maryland, USA.
July 1987 - Nov. 1987 Visiting Scientist, Laboratory of Mathematical Biology, National Institutes of Health, Bethesda, Maryland, USA

July 1990 - Nov. 1990 Visiting Scientist, Laboratory of Mathematical Biology, National Institutes of Health, Bethesda, Maryland, USA

March 1991 - July 1991 Visiting Professor, Institute of Theoretical Science, University of Oregon, Eugene, Oregon, USA

July 1991 - Oct. 1991 Visiting Scientist, Laboratory of Mathematical Biology, National Institutes of Health, Bethesda, Maryland, USA

Oct. 1995 - Feb. 1996 Visiting Professor, Dept. of Chemistry, University of the Philippines, Quezon City, Philippines

July - Sept. 1998 Visiting Professor, Dept. of Physical Chemistry, Westfalische Universitaet, Munster, Germany

Feb - Sept. 1999 Visiting Professor. Center for Polymer Studies Boston University, Boston, MA. USA

Summer 1971 Visiting Scientist, Institute of Electrochemistry, The University of Karlsruhe, West Germany.

April 1972 Associate Professor, The Hebrew University of Jerusalem

Aug. 1973 - Aug. 1975 Visiting Scientist at the Theoretical Molecular Biology Section, LMB, NIAMDD, NIH, Bethesda, Maryland, USA.

Oct. 1974 Professor of Physical Chemistry, Hebrew Univ, Jerusalem

Sept. - Oct. 1977 Visiting Professor, Dept. of Chemistry, Orsted Institute, University of Copenhagen, Denmark.

1977 - Sept. 1978 Head of the Dept. of Physical Chemistry, The Hebrew University of Jerusalem.
Aug. - Sept. 1978 Visiting Professor, Dept. of Applied Mathematics, Institute Advanced Studies, Australian National University, Canberra
March - Sept. 1979 Visiting Professor, Dept. of Physical Chemistry, Denmark Technical University, Lyngby, Denmark.
Sept. 1979 - Sept. 1980 Visiting Scientist, Bell Telephone Laboratories, Murray Hill, NJ, USA.
Sept. 1980 - July 1994 Professor of Chemistry, Dept. of Physical Chemistry Hebrew Univ of Jerusalem
July 1984 - March 1985 Visiting Professor, University of La Plata, and Institute of Physics of liquids and Biological Systems, Argentina

Born:July 11, 1934 in Jerusalem, Israel
School: Elementary and high school in Jerusalem

1953-1956: Army Service:

Studies:

1957 Studies in Chemistry at the Hebrew University of Jerusalem

1961 M.Sc. degree in Physical Chemistry

1961-64 Research toward the degree of Ph.D. under Prof. G. Stein & Prof. S. Baer at Dept. of Physical Chemistry, Hebrew Univ, Jerusalem.

1964 Ph.D. : Thermodynamics of Aqueous Solutions of Noble Gases.

Oct. 1964 Instructor in the Dept. of Physical Chemistry, The Hebrew University of Jerusalem; participated in teaching and research.

Nov. 1965 - Jan. 1967 Postdoctoral Fellow at the State of the University of New York at Stony Brook, New York; worked with Prof. H.L. Friedman on theoretical aspects of aqueous solutions of electrolytes and transport phenomena.

Jan. 1967 - Sept. 1968 Research Fellow at the Chemical Physics Dept., Bell Telephone Laboratories, Murray Hill, New Jersey; Collaborated with Dr. F.H. Stillinger,Jr, on statistical aspects of the theory of liquid water

Oct. 1968 Senior lecturer at the Dept.of Inorganic and Analytical Chemistry, The Hebrew University of Jerusalem.

Present fields of interest: Theoretical and experimental aspects of the structure of water, aqueous solutions and hydrophobic hydrophilic interactions. General theory of liquids and solutions. Theoretical problems in biochemistry and biophysics. Theoretical Biology and theory of evolution.

Books Written: