Robert Harza Burris, age 96, passed away peacefully on Tuesday, May 11, 2010. Professor Burris became a member of UW-Madison’s Department of Biochemistry following World War II. His research emphasis was in the area of biological nitrogen fixation. He was chairman of the Department of Biochemistry from 1958 to 1970, after which he returned to research. When he retired in 1984, he was honored as the W.H. Peterson and Hilldale Professor Emeritus of Biochemistry. As an emeritus, he remained active in his field until the age of 90.