For videos about UA faculty previously honored as Regents' Professors, click here .
The University of Arizona's three newest Regents' Professors plus four faculty members in two other categories were honored Thursday in a ceremony at Crowder Hall on campus.
Regents' Professor is the highest of faculty ranks in the state university system, reserved for tenured professors whose work has garnered national and international distinction. No more than 3 percent of faculty can hold the title at any given time. The new honorees for 2016 are:
- Ronald Breiger  of the School of Sociology in the College of Social and Behavioral Sciences. One of the world's foremost authorities on modeling social networks, Breiger has played an important role in developing network analytic techniques and applying them in areas ranging from culture to the study of terrorism. His research established foundational principles for computational tools used worldwide today. In addition to his primary appointment in sociology, Breiger also is affiliated with the Graduate Interdisciplinary Program in Statistics and with the School of Government and Public Policy.
- Frank Gohlke  of the photography division in the College of Fine Arts. Gohlke is a landscape photographer whose art has been on the national and international stage for five decades. His work often focuses on changes to landscapes from human and other forces and includes images of grain elevators across five U.S. states, the long-term impact of the 1980 Mount St. Helens eruption, and commissions for businesses and communities around the world. In addition to his appointment in the Division of Photography, Gohlke also is senior research fellow in the UA's Center for Creative Photography.
- Renu Malhotra , the Louise Foucar Marshall Science Research Professor and professor of planetary sciences in the Lunar and Planetary Laboratory. Malhotra is an expert in planetary dynamics, known worldwide for her work on the interactions between planets in our solar system, especially the impact of Neptune on Pluto's orbit and the implications for the formation of our planetary system. In 2015, Malhotra was elected to the American Academy of Arts and Sciences and the National Academy of Sciences. In addition to her appointments in LPL, she is affiliated faculty in the Applied Mathematics Graduate Interdisciplinary Program. For 2011-2016, she served as chair of the Theoretical Astrophysics Program, an interdisciplinary collaboration of the physics, astronomy and planetary science departments.
The ceremony also honored:
- Elliott Cheu,  of the Department of Physics, and Alan Nighorn , of the Department of Neuroscience, who were inducted as University Distinguished Professors in recognition of their contributions to undergraduate learning and consistent educational excellence.
- Thomas Sheridan , of the Southwest Center and School of Anthropology, and Cynthia Thomson , of the Canyon Ranch Center for Prevention and Health Promotion in the Mel and Enid Zuckerman College of Public Health, who were inducted as Distinguished Outreach Faculty in recognition of their contributions to outreach that engages communities in Arizona and across the nation.