In Memoriam Papp László

In Memoriam-Professor Ajit K.Padhy

No abstract available

Graph Minor Theory László

A monumental project in graph theory was recently completed. The project, started by Robertson and Seymour, and later joined by Thomas, led to entirely new concepts and a new way of looking at graph theory. The motivating problem was Kuratowski’s characterization of planar graphs, and a far-reaching generalization of this, conjectured by Wagner: If a class of graphs is minor-closed (i.e., it is...

Transition and Development László Csaba

Memoriam.

George W. Housner, Carl F Braun Professor of Engineering, emeritus, died after a short illness on 10 November 2008, just a few weeks before his 98th birthday. He was in the retirement home in Pasadena where he had lived for several years. For all of us who knew George, this marked the end of an era. Few people have guided and nurtured a field the way George led earthquake engineering over a per...

In Memoriam: Mark Everingham

MARK EVERINGHAM was a brilliant colleague. You may have been aware of him at conferences where he asked penetrating questions that could crystallize a key aspect of a paper. In conversation with him you might have been stunned by a new connection he made between areas of research or to a crucial related work. These questions and observations were a reflection of his very broad knowledge and dee...