Professor Bob Burk congratulates Sandra Warren on her retirement. Sandra worked as a high school teacher for over 30 years at St. Joseph/ St. Paul High School. Sandra was the Department Head of Science who taught students to work hard and instilled the love of science. Sandra also taught first year Chemistry at Carleton University every summer for 11 years. The impact that Sandra made on Chemistry education is immeasurable.  We wish her only the best in her next adventure.