the nation's fourth best place to work in academia, according to rankings released in November 2007 by The Scientist magazine. Purdue's researchers provide insight, knowledge, assistance, and solutions in many crucial areas. These include, but are not limited to Agriculture; Business and Economy; Education; Engineering; Environment; Healthcare; Individuals, Society, Culture; Manufacturing; Science; Technology; Veterinary Medicine. The Global Trade Analysis Project (GTAP), a global research consortium focused on global economic governance challenges (trade, climate, resource use) is also coordinated by the university. Purdue University generated a record $438 million in sponsored research funding during the 2009–10 fiscal year with participation from National Science Foundation, National Aeronautics and Space Administration, and the U.S. departments of Agriculture, Defense, Energy, and Health and Human Services. Purdue University was ranked fourth in Engineering research expenditures amongst all the colleges in the United States in 2017, with a research expenditure budget of 244.8 million. Purdue University established the Discovery Park to bring innovation through multidisciplinary action. In all of the eleven centers of Discovery Park, ranging from entrepreneurship to energy and advanced manufacturing, research projects reflect a large economic impact and address global challenges. Purdue University's nanotechnology research program, built around the new Birck Nanotechnology Center in Discovery Park, ranks among the best in the nation. The Purdue Research Park which opened in 1961 was developed by Purdue Research Foundation which is a private, nonprofit foundation created to assist Purdue. The park is focused on companies operating in the arenas of life sciences, homeland security, engineering, advanced manufacturing and information technology. It provides an interactive environment for experienced Purdue researchers and for private business and high-tech industry. It currently employs more than 3,000 people in 155 companies, including 90 technology-based firms. The Purdue Research Park was ranked first by the Association of University Research Parks in 2004. Purdue's library system consists of fifteen locations throughout the campus, including an archives and special collections research center, an undergraduate library, and several subject-specific libraries. More than three million volumes, including one million electronic books, are held at these locations. The Library houses the Amelia Earhart Collection, a collection of notes and letters belonging to Earhart and her husband George Putnam along with records related to her disappearance and subsequent search efforts. An administrative unit of Purdue University Libraries, Purdue University Press has its roots in the 1960 founding of Purdue University Studies by President Frederick Hovde on a