After 42 years of teaching, and a lifetime of painting and drawing, John Frazer isn't ready to rinse his brushes clean just yet. Although the professor of art, emeritus, is wheelchair-bound after six knee surgeries, his art studio remains intact. Set-up easels, brushes and oil paints, a painter's palate and untouched cotton canvases await his return. "I haven't been able to paint in over a year, but I will return to painting. I am sure of that, but I prefer to work standing up," Frazer says. "It's the only way I've ever worked." Frazer, a Texas native, came to Wesleyan…