of the most distinguished awards presented to artists in the US. Between 1959 and 1970, the institute was a key site in the battle to gain art and documentary photography a place in galleries, under curator Hugh Edwards and his assistants. As director of the museum starting in the early 1980s, James N. Wood conducted a major expansion of its collection and oversaw a major renovation and expansion project for its facilities. As "one of the most respected museum leaders in the country", as described by The New York Times, Wood created major exhibitions of works by Paul Gauguin, Claude Monet and Vincent van Gogh that set records for attendance at the museum. He retired from the museum in 2004. The institute began construction of "The Modern Wing", an addition situated on the southwest corner of Columbus and Monroe in the early 21st century. The project, designed by Pritzker Prize–winning architect Renzo Piano, was completed and officially opened to the public on May 16, 2009. The building addition made the Art Institute the second-largest art museum in the United States. The building houses the museum's world-renowned collections of 20th and 21st century art, specifically modern European painting and sculpture, contemporary art, architecture and design, and photography. In its inaugural survey in 2014, travel review website and forum, Tripadvisor, reviewed millions of travelers' surveys and named the Art Institute the world's best museum. The museum received perhaps the largest gift of art in its history in 2015. Collectors Stefan Edlis and Gael Neeson donated a "collection [that] is among the world's greatest groups of postwar Pop art ever assembled". The donation includes works by Andy Warhol, Jasper Johns, Cy Twombly, Jeff Koons, Charles Ray, Richard Prince, Cindy Sherman, Roy Lichtenstein and Gerhard Richter. The museum agreed to keep the donated work on display for at least 50 years. In June 2018, the museum received a $50 million donation, the largest single announced monetary donation in its history. Collection The collection of the Art Institute of Chicago encompasses more than 5,000 years of human expression from cultures around the world and contains more than 300,000 works of art in 11 curatorial departments, ranging from early Japanese prints to the art of the Byzantine Empire to contemporary American art. It is principally known for one of the United States' finest collection of paintings produced in Western culture. African Art and Indian Art of