The Intellectual Property & Science business of Thomson Reuters today announced The Hottest Research of 2011, a ranking by Science Watch, its open Web resource for science metrics and analysis. This year’s group of 15 Hottest Researchers each contributed to at least 10 Hot Papers. Eric S. Lander of The Eli and Edythe L. Broad Institute of MIT and Harvard topped the list of most influential researchers for the second year straight, with 14 Hot Papers. The most highly cited individual paper published in 2011, “Seven-Year Wilkinson Microwave Anisotropy Probe Observations: Cosmological Interpretations,” by E. Komatsu, of The University of Texas at Austin, et al. received a total of 564 citations during the year. Genetics was the primary field of study among seven of the 15 Hottest Researchers of 2011. Four hail from the UK’s charitably funded genomic research center, Wellcome Trust Sanger Institute. Of the 38 papers receiving the highest number of citations in 2011, 10 were published in the journal Nature, the most in any single journal. The year’s Hottest Researchers were identified using citations that occurred during calendar year 2011 for papers published between 2009 and 2011. The list of Hottest Papers tracks total citations to non-review papers during calendar year 2011.