The next in a series of nanotechnology lectures at Wayne State University will be by Charles Winter, associate chair of the Chemistry Department, on Feb. 21. He will speak on the topic "Growth of Nanoscale Thin Films by Atomic Layer Deposition." A visiting professor from Northwestern University will speak on March 7 and professor Claudio Verani of the Chemistry Department here will deliver a lecture on March 21. All presentations begin at 2:30 p.m. in the WSU Welcome Center .