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Heinz came to the LPS from his hometown of Hamburg in 1978 to continue work that he had begun on his thesis under the supervision of Professor Friedel. He completed his thesis in 1980, and in 1983 wrote a thèse d’Etat on quasi-1D conducteurs, for which he won the Humboldt Prize for Franco-German scientific collaboration. He also wrote with D. Jerome one of the most frequently cited reviews on the subject. He was post-doc in Grenoble at the ILL with Professor Nozières for several years before he came back to join the Theory group at the LPS as a permanent member of this laboratory. The two decades since he came to the LPS were extremely rich in discoveries, and the theoretical challenges they presented for him : first in the domain of organic conductors, and then with the discovery of high-Tc compounds. These led to particularly fruitful collaborations between theorists and experimentalists at the LPS.

Heinz had many students and postdocs, and played an active role in inducting bright students into considering a physics career. He was one of the editors of PRL, he taught at the Ecole Polytechnic and he taught advanced graduate courses at the University. He was involved in the training of many future research physicists at workshops in the US, France and in Germany. He was awarded the CNRS silver medal for his theoretical contributions in condensed matter physics in 1998.

He was a physicists’s physicist, interested in everything under the sun. The breadth of his scientific publications and his many invitations to lecture at schools and conferences are some indication to his passion for physics, but there was much more out there that he didn’t have time to get around to studying - he had enough projects to keep him busy for several lifetimes. He loved mathematics problems too, and enjoyed a nice integral to do from time to time (which is how he discovered some errors in the Gradsteyn and Ryzhik compilation). He remained in his office late into the evenings, engaged in his calculations to the detriment of his gastric lining. That was when he was single - later, his family brought him many new and joyful activities, and he became a devoted father of two. He always especially loved being in the mountains, hiking and skiing. Another great hobby of his were trains : not only toy locomotives, which he collected, but also the real thing, which he would go to photograph at the Hamburg Hauptbahnhof when he was a schoolboy. He was fascinated by computers and in using them to do physics, and early on developed Mathematica programs to do analytical many body calculations.

In April 1998 Heinz was diagnosed with cancer of the oesophagus.

Hubert Saleur tackles exactly soluble models in his office at the ivory tower for theoreticians at the Commissariat d’Energie Atomique in Saclay. When he isn’t there he can be found in Los Angeles, teaching classes for graduate students, or diving off Catalina. When he isn’t in those places, he may be found dragging bags of mulch around his property, or building a double row of fencing to keep neighborhood cats out.

Coauthor of a tome on Conformal Field Theory with two Saclay theorists, of many workshop seminars, and currently working on a new book on quantum impurity problems with Natan Andrei, Hubert has a pedagogical bent. He has been interested, with some of his earth sciences colleagues at USC in the physics of earthquakes, and is teaching a graduate course in the physics of Finance this spring. He is the Editor of the field theory and statistical mechanics (FS) section of Nuclear Physics B.

Hubert possesses many practical skills above and beyond solving sigma models on super projective spaces or facing down rigid Calabi-Yau manifolds. He can, for example, now fill out complex dossiers for Brussels administrators within mere days. Or come up with daily dinner ideas for his gastronomically inclined baby.

For details of his research activities please see http://physics.usc.edu/Faculty/Saleur/