Dieter Koch (June 4, 1959), lic.phil., graduated in 1984 from Zurich
University with a masters degree in Philosophy, Sanskrit and Classical Greek.
Studies in astrology and astronomy since 1987. In 1995, Dieter joined
Astrodienst and has worked since as a programmer
on the Swiss Ephemeris and several other projects of Astrodienst.
Dieter has published books on the astronomy and astral mythology of the Star of Bethlehem and of the Gilgamesh Epic, a Critique of Astrological Reason, and a commented translation of the Bhagavadgita. (all in German)
For more information, see his website www.gilgamesh.ch.
Alois Treindl (March 7, 1950), founder and director of Astrodienst AG, graduated in 1981 from ETH Zurich with a doctorate in Physics. He created the planetary calculation package PLACALC in 1988. In 1993 he started designing the Swiss Ephemeris project, which went under full steam in 1996 and was released in September 1997. These planetary calculation routines are used by many astrological programmers in the world. Alois is best known for the Astro*Intelligence Reports he developed jointly with Liz Greene.
(The scientific contributors below are not involved in astrology in any respect.)
Other authors whose data we have used are mentioned in the various documentation files or in the source files.