The important thing to be learned is that problems solved for one application can have a big impact on others. The techniques he used on data from the Hubble telescope were closely related to techniques that had been proposed many years ago for electron microscopy. Completely different kinds of sensors. He brings those lessons and his current research problems into the classroom. The courses I teach, both graduate and undergraduate, are affected greatly by my research.
Graduate students help with implementation and development of the computer programs.
Many projects would simply not be accomplished without the help of the students. I think students get a thrill when they see that we not only gain knowledge, but we also create it. Out of the classroom, Schulz, an avid fly fisherman, relaxes by endlessly casting for silver trout swimming within a changing collage of reflections, weeds, and, pebbles. He just has to use the right formula.