The William H. Twenhofel Medal is the highest award given by the Society for Sedimentary Geology (SEPM). It was instituted in memory of William H. Twenhofel and is awarded annually to a person for his or her "Outstanding Contributions to Sedimentary Geology." Nominees are chosen for having made outstanding contributions to paleontology, sedimentology, stratigraphy, and/or allied scientific disciplines. The contributions normally involve extensive personal research, but may involve some combination of research, teaching, administration, or other activities which have notably advanced scientific knowledge in Sedimentary Geology. Past recipients Source: (NM) denotes that the recipient was not a member of SEPM. See also List of geology awards References External links Society for Sedimentary Geology Past Awards Twenhofel Awards established in 1973