Correspondence and papers from a folder labelled, 'C.L. Goudas'. Material relates to ZK's correspondence with Constantinos Leonidas Goudas, Department of Mechanics, University of Patras, Patras, Greece.
ZK and Goudas worked together on many research projects, including during Goudas' time at the University of Manchester and at the Boeing Scientific Research Laboratories. Much of his research work was around analysing the Moon's geometric shape by employing expansions in spherical harmonics.
Correspondence between ZK and Goudas, includes: Voyager 2 data for the structure of Saturn’s rings; IAU meetings; conference programme, a conference, 'Computers - Industrial and Commercial Applications', 26 Feb-18 March 1978, University of Patras; close binaries; submissions for Nature and Astrophysics and Space Science journals; paper by Goudas 'The Lunar "Mascons"'; and second edition of Physics and Astronomy of the Moon.