| 1981 | UNIVERSITY OF TEXAS, Austin, Center for Relativity |
| Doctorate of Philosophy in Physics | |
| 1979 | LENINGRAD STATE UNIVERSITY |
| CIEE Exchange | |
| 1977 | MIDDLEBURY COLLEGE |
| Russian Summer School | |
| Fall 1975 | CAMBRIDGE UNIVERSITY |
| Maths III Tripos | |
| 1975 | SWARTHMORE COLLEGE |
| Bachelor of Arts in Physics |
| 1984-1986 | UNIVERSITY OF CAPE TOWN |
| Research Associate, Department of Applied Mathematics | |
| 1982-1983 | SHTERNBERG ASTRONOMICAL INSTITUTE |
| IREX Exchange | |
| 1981-1982 | OXFORD UNIVERSITY |
| Visiting Fellow, Department of Astrophysics |
| 1994-1995 | BENNINGTON COLLEGE |
| Assistant Professor | |
| 1993 | UNIVERSITY OF TEXAS, Center for Relativity |
| Visiting Research Fellow | |
| 1990-1992 | HARVARD UNIVERSITY |
| Lecturer | |
| 1988-1989 | SCIENTIFIC AMERICAN |
| Editor | |
| 1984 | PRINCETON UNIVERSITY |
| Consultant for Center for Energy and Environmental Studies | |
| 1979-1981 | UNIVERSITY OF TEXAS |
| Assistant Instructor in Mathematics | |
| 1976-1978 | UNIVERSITY OF TEXAS |
| Teaching Assistant in Physics | |
| Summer, 1974,1976 | NATIONAL RADIO ASTRONOMY OBSERVATORY |
| Research Associate |
1999
A-List/Bookman Reviews, Doubt and Certainty chosen as one of
200 best books of 1998.
| 1996 | AAAS Project 2061, National Science Standards, selection of Physicist on Madison Avenue as one of 120 best science books. |
| 1996 | Honorable Mention , from Gravitational Foundation |
| 1991 | Pulitzer Prize Nomination |
| 1982-1983 | IREX Fellowship |
| 1982 | Ford Writing Award for Best Article , from Mathematical Association of America |
| 1981-1982 | Science and Engineering Counsel Fellowship,England |
| 1981 | Honorable Mention , from Gravitational Foundation |
| 1979 | CIEE National Scholarship |