90th birthday

Technisches Museum Wien
Wednesday, 10 March 2010

Joint event by the OCG, Technisches Museum Wien and TU Vienna.

85th birthday

Festival Hall of the Austrian Society of Engineers and Architects
1 March 2005

Joint event by the Austrian Electrotechnical Association and the OCG.

80th birthday

On 3 December 1999 the 80th birthday of Heinz Zemanek was celebrated in the large festival hall of the Austrian Academy of Sciences organised by the OCG in co-operation with the Österreichische Gesellschaft für Informatikgeschichte (ÖGIG).

75th birthday

in progress

70th birthday

in progress

65th birthday and retirement

Heinz Zemanek’s 65th birthday was celebrated at a three-day congress:

The IFIP Conference on the Role of Abstract Models in Information Processing took place in Vienna from 30 January to 2 February 1985 and was organised by IFIP, IBM, TU Vienna and OCG.

Proceedings

Formal Models in Programming. Proceedings of the IFIP TC2 Working Conference on the Role of Abstract Models in Information Processing, Vienna, Austria, 30 Jan. - 1. Febr., 1985. Edited by Erich Neuhold and Gerhard Chroust; Amsterdam, u.a.: North Holland 1985

A summary of the lectures was published in volume 27 of the OCG publishing series: Heinz Zemanek - Ein Computerpionier (ed. by Gerhard Chroust).