Clarke Medal Prize or award Award presented since 1878 for distinguished work in the geology, botany and zoology. It was named for William Branwhite Clarke. Milestone Date of event 1878 - {"name":"Date of event","target":"","target_text":null,"date":{"#markup":"<span class='date'>1878<\/span><span class='separator'> - <\/span><span class='date'><\/span>"},"date_start":"1878-01-01","date_end":null} Type Prize or award {"name":"Prize or award","target":"","target_text":null,"date":{"#markup":"<span class='date'><\/span>"},"date_start":null,"date_end":null}