105 million years ago 44 million years ago
S. Blair Hedges
S. Blair Hedges

Blair Hedges, Ph.D.
Laura H. Carnell Professor of Science
Temple University

S. Blair Hedges


Director, Center for Biodiversity
Science Education & Research Center
1925 N. 12th Street, Suite 502
Philadelphia, PA 19122

Other positions and affiliations

  • Member, NASA Astrobiology Institute (1998–present) (http://astrobiology.nasa.gov/nai/)
  • Founder and co-Chair, Evolutionary Genomics Focus Group. NASA Astrobiology Institute (2000–)
  • Research Associate, National Museum of National History, Washington, DC (1998–)
  • Chairman, Genomes and Evolution 2004, Annual meeting of Society for Molecular Biology and Evolution and American Genetic Association
  • Redlist Authority, The International Union for the Conservation of Nature (IUCN) (2009–)
  • Coordinator for the Caribbean, The International Union for the Conservation of Nature (IUCN), Red List of Threatened Species of amphibians and Global Amphibian Assessment (2001–)
  • Director, Astrobiology Summer Program, Pennsylvania State University (2002–2011)
  • Member, IUCN SSC Amphibian Specialist Group (2005–)
  • Senior Editor, Molecular Biology and Evolution (2012–)
  • Editor-in-Chief, Caribbean Herpetology (2010–)
  • Associate Editor, BMC Evolutionary Biology (2008–2011)
  • Co-Director, TimeTree Project and Consortium: www.timetree.org (2005–)
  • Member, Editorial Board of BMC Proceedings (2007–)
  • Member, Editorial Board of Novitates Caribaea (2007–)
  • Member, Board of Editors of Caribbean Naturalist (2012–)

Selected awards, fellowships, and named lectures

  • Elected Fellow, American Association for the Advancement of Science, 2009
  • Science News of the Year, Life, Science News Magazine, 2008
  • Who’s Who in the World, 2008; Who’s Who in America (Marquis), 2008–
  • Faculty Scholar Medal, Pennsylvania State University, 2011
  • Garrett Lectureship in the History of Cartography, Univiversity of Texas, 2012
  • Philips Lectureship, Haverford College, 2003
  • Karling Lectureship, Mycological Society of America, 2002
  • Darwin Lecture (Natural History Museum, London), 2001
  • Faculty Associates Teaching Award, Pennsylvania State University, 1997

Recognition of published works

Taxonomic contributions

Research interests

I use genetics and genomics to explore the patterns and mechanisms that have shaped the tree of life, from its origin to the present. These include speciation, extinction, diversification, biogeography, and the multi-dimensional evolution of biodiversity. I am especially interested in how the planetary environment has impacted the evolution of life, such as in continental drift, sea level variation, and climatic change, as well as the impact of deforestation on current species. We often use time-calibrated phylogenies (timetrees) to address these questions. Most of my current "global" analyses bring data together in new ways, involving bioinformatics and programming, although I continue to maintain a molecular biology laboratory for targeted data collection, and a biodiversity field program.

Biological disciplines represented in the research include astrobiology, biodiversity, bioinformatics, conservation, ecology, genomics, molecular evolution, natural history, paleontology, phylogenetics, and systematics. Other disciplines represented are astronomy, climatology, and geology.

Other academic interests

The interface of science, art, and history: Articles 176, 195, and 243

Field experience

Antigua, Bahamas, Barbados, Cayman Islands, Cuba*, Dominica, Dominican Republic*, Grenadines, Guadeloupe*, Haiti*, Jamaica*, Martinique, Montserrat, Nevis, Peru, Puerto Rico, Saint Croix, Saint John, Saint Kitts, Saint Lucia, Saint Thomas, Saint Vincent, Trinidad and Tobago, Turks and Caicos, and the United States.
*Multiple expeditions


Approximately 300 articles and 10 books and monographs.
Go HERE for complete list.

Nova Reperta: Lapis Polaris (Stradanus, 1590)

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www.biodiversitycenter.org www.timetree.org www.caribbeanherpetology.org www.haititrust.org www.caribherp.org www.caribmap.org www.caribnature.org www.caribislands.org

Lab websites surpass
1,500,000 visits!

www.caribherp.org www.caribnature.org www.caribmap.org
www.caribherp.org www.caribnature.org www.caribmap.org
www.caribbeanherpetology.org www.timetree.org www.biodiversitycenter.org
www.caribbeanherpetology.org www.timetree.org www.biodiversitycenter.org

Copyright © 1999-2022 S. Blair Hedges
Last updated: 18 October 2016