Patrick Geddes (IMAGE) Penn State Caption Portrait of Sir Patrick Geddes (c. 1888) at the age of 34, several years after publishing observations from his experiments on animals containing chlorophyll. Credit libraryblogs.is.ed.ac.uk Usage Restrictions None 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.