Armenian American writers often incorporate some common themes (e.g., the Armenian genocide) while maintaining very personal literary styles. The New York-based Ararat Quarterly, published since 1959, has been a major venue for Armenian American writing. Ararat is published in English by the AGBU and also includes works by Armenian writers around the world in translation. Prominent Armenian American writers include William Saroyan, Leon Surmelian, A. I. Bezzerides, Michael Arlen, Marjorie Housepian Dobkin and others. Second generation Armenian American writers include Peter Balakian, Nancy Kricorian, Carol Edgarian, Michael J. Arlen, Arthur Nersesian, Micheline Aharonian Marcom, Hrag Vartanian, and others. Visual arts Sculptor Haig Patigian, painter Hovsep Pushman, and most notably, Arshile Gorky (born Vosdanig Adoian) are among the best known American artists of Armenian origin. Other notable figures include sculptor Reuben Nakian, painters John Altoon, Edward Avedisian, Charles Garabedian, Ludwig Mactarian, and Arman Manookian. In the field of the contemporary art and performance, some notable American artist of Armenian heritage include Nina Katchadourian, Eric Bogosian, Tabboo! (aka Stephen Tashjian), Peter Sarkisian, Aram Jibilian, Linda Ganjian, Dahlia Elsayed, Emil Kazaz, Andrew Ohanesian, and others. Larry Gagosian is a major art dealer who owns the Gagosian Gallery. In 2011, the British magazine ArtReview placed Gagosian fourth in their annual poll of "most powerful person in the art world". Syria-born Hrag Vartanian is the founder and editor-in-chief of the art journal Hyperallergic. Academia, sciences and medicine Vartan Gregorian, born in Iran, was president of Brown University and the New York Public Library as well as president of the Carnegie Corporation of New York. He was a recipient the National Humanities Medal and the Presidential Medal of Freedom. Lawyer Gregory H. Adamian served as president of Bentley University from 1970 to 1991, during which he oversaw dramatic growth of the university. Aram Chobanian served as president of Boston University from 2003 to 2005. Richard Hovannisian is a historian and professor emeritus at UCLA. Khachig Tölölyan, born in Syria, was a professor of English and Comparative Literature at Wesleyan University and is considered a founder of the academic discipline of diaspora studies. Daron Acemoglu, a Turkish-born economist at the Massachusetts Institute of Technology, is one of the most cited economists in the world. Raymond Damadian, a recipient of the National Medal of Technology, had a significant contribution to the invention of the MRI. Christina Maranci is the Arthur H. Dadian and Ara Oztemel Professor of Armenian