van helden headshot

Areas of Interest: 

  • History of Astronomy
  • Scientific Instruments

Research and Teaching: 

I am currently preparing a new edition of my translation of Galileo’s Sidereus Nuncius. 

This year I will finish a book on Christiaan Huygens and the telescope.

Selected Publications: 

  • The Invention of the Telescope.  American Philosophical Society, Transactions, 67 (1977), no 4.  Reprinted with a new introduction, Transactions, 98, part 4 (2008)
  • Measuring the Universe: Cosmic Dimensions from Aristarchus to Halley.  Chicago: University of Chicago Press, 1985.
  • Sidereus Nuncius or The Sidereal Messenger (Galileo Galilei).  Translated with introduction, conclusion and notes.  Chicago: University of Chicago Press, 1989, new editions, 2014.
  • The History of Science in the Netherlands. (Leiden: E. J. Brill, 1999), co-edited with L. C. Palm and K. van Berkel