Richard Honrath, a highly appreciated colleague, productive and energetic atmospheric scientist, and caring educator, died in a kayaking accident on 17 April 2009. Richard received his B.S. in 1984 from the California Institute of Technology, Pasadena; his M.S. in 1985 from Carnegie Mellon University, Pittsburgh, Pa.; and his Ph.D. from the University of Alaska Fairbanks in 1992. He became involved in Arctic research at Carnegie Mellon, where his work focused on sulfur and nitrogen in Greenland snow. Upon moving to Alaska in 1987, Richard focused on measurements of atmospheric nitrogen oxides in the Arctic. For this work, he built a high-sensitivity chemiluminescence analyzer, one of just a handful of such instruments in the world at the time.