Jerrold Zacharias, a passionate educator

22-29 Zacharias Feature

ITE JOURNAL / AUGUST 1999 PEDESTRIAN ZONES HAVE become a familiar feature in the central areas of European cities. Private cars are always excluded from these zones, while delivery vehicles are permitted during off-peak hours. Bicycles and taxis are typically relegated to a circumferential service road. Some have argued that such rigid traffic separation contributes to economic and environmenta...

Eclecticism in a passionate profession.

ONE OF THE CHALLENGES of planning scientific programs and editing journals is to remain eclectic. Eclecticism is defined as the process of choosing what appears to be the best from diverse sources. In attempting to do this, abstract graders, meeting planners and editors often offend certain persons who believe that their work is more important than that of others and deserves prominent display....

Electronic Concepts an Introduction Jerrold

of Main Research Achievements , Jerrold E . Marsden

Symplectic Reduction Theory. Symplectic reduction theory for mechanical systems with symmetry was developed in Marsden and Weinstein [1974]. This far-reaching generalization of classical work of Jacobi, Liouville, Routh, and Poincaré led, over the years to many significant developments in both mechanics and mathematics. Guillemin and Sternberg describe some of these in their 1984 book Symplecti...

Rebecca Heald: Passionate about cycles

W hen she isn't cycling up a mountain, Rebecca Heald is blazing new trails in cell biology. Her work on dynamic cytoskeletal structures involved in mitosis and meio-sis—particularly the microtubule-based mitotic spindle—has continually set the pace in her fi eld. After completing her graduate studies on nuclear lamins in Frank McKeon's laboratory at Harvard (1), Heald sought a change of scenery...