Sylvan Runkel
Sylvan Runkel (1906–1995) was the coauthor of five books about midwestern wildflowers, including Wildflowers of the Tallgrass Prairie (Iowa paperback, 2009) and Wildflowers of Iowa Woodlands (Iowa paperback, 2009). A vigorous promoter of conservation for many years, he was honored by the dedication of the Sylvan Runkel State Preserve in 1996.