P is for Preservation (IMAGE) Arizona State University Caption Artist Todd Grossman worked with agronomist Robert Mikkelson to develop his work, "P is for Preservation," for ASU's Sustainable Phosphorus Summit Art Show. The painting, one of three works created by Grossman for the exhibition, represents the human need for phosphorus. Credit Todd Grossman Usage Restrictions Only for use in connection with this story License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.