Lecture Previews

Lynn Johnson

Monday at noon

Singleton Room, Roberts Hall

Pittsburgh photographer Lynn Johnson will receive the College of Engineering Shutterbug Award for Excellence in Photojournalism and Multimedia. Over her 35-year career, Johnson has photographed people and places across the world. She has captured everything from African women fetching water to the struggle to preserve endangered languages.

Last year’s Shutterbug Award winner, Tony Tye, will introduce the award.

Ray Gindroz

Monday at 6 p.m.

Carnegie Museum of Art

Architect and designer Ray Gindroz will deliver the David Lewis Lecture on Urban Design as part of the School of Architecture’s Fall 2012 Lecture Series. Gindroz is the co-founder of Urban Design Associates. He has authored or co-authored several books on design, including The Urban Design Handbook, The Architectural Pattern Book, and The Place of Dwelling. He has also taught urban design at Yale University.

David M. Blei

Friday at 2:30 p.m.

Doherty Hall 2315

David M. Blei, a computer science professor at Princeton University, will deliver a lecture titled “Probabilistic Topic Models of Text and Users.” Blei will discuss how to summarize and predict documents and how topic models can be used to analyze large collections of documents for latent themes. He will describe how topic models can be used to improve user experiences.

Blei received his Ph.D. from the University of California, Berkley, and was a postdoctoral fellow at Carnegie Mellon. His research focuses on probabilistic topic models, Bayesian nonparametric methods, and approximate posterior inference.

General Stanley McChrystal

Friday at 1 p.m.

McConomy Auditorium, University Center

General Stanley McChrystal will discuss America’s current security challenges, including the proliferation of non-state actors, the advancement of information technology, and the advent of instantaneous communication.

McChrystal served as commander of U.S. forces in Afghanistan from 2009–10. He resigned after the publication of an article in Rolling Stone in which he criticized the Obama administration.

This lecture is sponsored by the Center for International Relations and Politics and supported by the Humanities Scholars Program, the office of the vice provost for education, the School of Computer Science, and the department of modern languages.