Three U of G scientists are among the world’s 3,200 top researchers listed by Thomson Reuters for their impact on science worldwide. Population medicine professors Todd Duffield and Ken Leslie and integrative biology professor Paul Hebert appear on the list, based on the number of citations of their research papers made by other scientists between 2002 and 2012.

Highly cited papers on the list rank among the top one per cent most cited papers for their subject field and year of publication.

Duffield studies dairy herd monitoring, cow nutrition and cattle diseases. A University professor emeritus, Leslie is known globally as a dairy health researcher, teacher and mentor. Hebert is director of U of G’s Biodiversity Institute of Ontario and inventor of DNA barcoding for identifying species of living things.