during 2009 and 2010, there was considerable pressure to use the facility for other purposes such as classrooms. There were many discussions, but by May 2010, the group and the college came to a "win-win" agreement about how to work together. Their new agreement will be in effect until July 2012. Amateur Astronomers, Inc. meets in Nomahegan Hall each month and sponsors talks on celestial topics. Sidney F. Lessner Building The Trinitas nursing school had been using a leased warehouse space in the Elizabethport section of Elizabeth. But in 1992, the school paid $2 million for the seven-story Elizabethtown Gas Company building in the downtown section, and then spent another $11 million renovating it. The new facility has a auditorium with a stage and theatrical lighting, a lounge, a library, exhibition rooms and galleries, and represented a major expansion of the college in the city of Elizabeth. Elizabeth I. Kellogg building The Kellogg building on the Elizabeth campus houses the second largest nursing school in the United States. It has six stories and cost $48 million to build, and serves 8,300 students, including 2,300 enrolled in the nursing program. The building houses the new "Trinitas nursing school, the college's Industry Business Institute, continuing education offerings, lecture hall, and a state-of-the-art information commons and library" according to the Suburban News. A ribbon cutting ceremony to mark its opening was held in September 2009. It has a state-of-the-art simulation learning center. To enhance learning, some mannequins can be hooked up to simulate a pregnant woman, complete with fetal monitoring and models that "actually breathe" with simulated heart and lung sounds. Kellogg Greenhouse and Historic Tree Grove & Arboretum Next to the campus pond at the Sperry Observatory sits the Historic Tree Grove & Arboretum. Each tree is a seed-grown or cutting-grown offspring of a noteworthy historical tree. There are over seventy-five trees in the grove including a Robin Hood English oak and a Martin Luther King Jr. sycamore. In the Kellogg Greenhouse and the nursery near it on campus, seedlings of these trees are grown and eventually moved from the nursery into the grove. The seedlings are available to schools and historic organizations. Notable people Faculty Professor Lawrence D. Hogan taught history at the college and wrote the "definitive book on black baseball" entitled Shades of Glory: The Negro Leagues and the Story of African-American Baseball, which received critical attention from The