| 1960 | Graduate from Junior College of Reykjavík. |
| 1960-67 | Studies in mathematics and physics at the Niels Bohr Institute
of the University of Copenhagen, ending with the degree of cand. scient.,
specializing in elementary particle physics. |
| 1967-69 | Research fellow at NORDITA , Copenhagen. |
| 1969-71 | Research fellow at the Science Institute
of the University of Iceland. |
| 1971-89 | Assistant professor and later associate professor in physics at the University of Iceland. |
| 1973-74 | Translated the book Limits to Growth
to Icelandic. |
| 1974-87 | On the board of the Icelandic Science Foundation. |
| 1977-78 | A sabbatical at the University of Michigan,
Ann Arbor, USA, studying philosophy and history of science. |
| 1978-82 | Chairman of the board of the Icelandic Student
Loan Fund. |
| 1979-81 | Chairman of the Physical Society of Iceland. |
| 1981- | Chairman of the Terminology Committee of the
Physical Society of Iceland. |
| 1985 | A small English-Icelandic dictionary of the Terminology Committee appeared in mimeograph. |
| 1985-92 | Chairman of the Committe for Teaching and Didactic of the University Senate. |
| 1986-87 | The book Cosmology in Revolution:
The Worldview of Science from the Beginning until Newton., I-II
appeared in Icelandic |
| 1987- | Studies of Old Norse science and related ideas. |
| 1988 | A sabbatical spring semester at the University
of Gothenburg, Departments of Science Theory and Science History. |
| 1989 | Full professor at the Department of Physics of the
University of Iceland with history of science as a field of study. |
| 1993 | Visiting Scholar at the Arnamagnean Institute in Copenhagen, studying astronomy and philology in the Norwegian King¹s Mirror |
| 1994 | Visiting Scholar at the University of California
at Los Angeles (UCLA)
|