sentences:  In 1977 was named the William E. Wrather Distinguished Service Professor, and from 2002 he was the Wrather Distinguished Service Professor Emeritus.He continued to explore new methods of obtaining high resolution, and in 2003 developed a low voltage electron microscope using a dipole permanent magnet as a lens.Crewe’s distinguished scientific career and his contribution to the use of technologies for wider applications have been recognized by numerous awards.