Bücher der Reihe Nobel Foundation Symposia

The 55th Nobel Symposium entitled "Genetics of the Immune Response" took place in Saltsjobaden, Sweden, June 15 - 17, 1982. The symposium was sponsored by the Nobel Foundation and its Nobel Symposium Committee through grants from the Tercentenary Fund of the Bank of Sweden and the Knut & Alice Wallenberg Foundation.

It is a pleasure to acknowledge the generous financial support from the Nobel Foundation and its Nobel Symposium Committee through grants from the Tercentenary Foundation of the Bank of Sweden, and from the Swedish Medical Research Council, KABI AB, Stockholm, and ASTRA AB, Sodertalje.

Silicon chemistry was initiated in 1823 by Berzelius who prepared elemental silicon. In many ways silicon was considered a typical opposite of carbon, although the two elements are closely related as to their electronic structure, both having four valence electrons. silicon by polar silicon- -oxygen-silicon bonds.

Ladies and Gentlemen, dear guests, It is my great pleasure and privilege to extend our heartiest wel come to you, the participants of this 33rd Nobel symposium.

The Symposium was financed by the Nobel Foundation through grants from the Tercentenary Foundation of the Bank of Sweden, by the Swedish Board for Space Activities, and the Royal Swedish Academy of Sciences, which is gratefully acknowledged.

Since 1965 the Nobel Foundation sponsors, through grants from the Bank of Sweden Tercentenary Fund, Sym posia on subjects which are considered to be of central scientific importance and for which new results of a special interest have been reached.

A Nobel Foundation Symposium on the subject: "Nonlinear Effects 1n Plasmas", was held at Aspenasgarden, Lerum, in the G6teborg area of Sweden from June 11-17, 1976. We decided to devote our Sym posium in particular to nonlinear effects in plasmas and to emphasize some areas where important developments seemed to be taking place.

Nobel Symposium No 31 on The Impact of Space Science on Man kind was held at Spatind, Norway, September 7 - 12, 1975. Tim Greve Finn Lied Erik Tandberg vii CONTENTS The Impact of Space Science 1 R. Nordberg The Impact of Earth Resources Exploration from Space 79 (Discussion) E. White The Impact of Space Assisted Meteorology (Discussion) 111 E.