Hirshhorn Museum and Sculpture Garden B. Johnson and Smithsonian Secretary S. Dillon Ripley successfully campaigned for a new museum on the National Mall. In 1966, an Act of Congress established the Hirshhorn Museum and Sculpture Garden, Smithsonian Institution. Most of the funding was federal, but Hirshhorn later contributed $1-million toward construction. Joseph and his fourth wife, Olga Zatorsky Hirshhorn, visited the White House. The groundbreaking was in 1969 and Abram Lerner was named the founding Director. He oversaw research, conservation, and installation of more than 6,000 items brought from the Hirshhorns' Connecticut estate and other properties to Washington, DC. Joseph Hirshhorn spoke at the inauguration
National Museum of Natural History of with of exhibition and public space and houses over 1,000 employees. The museum's collections contain over 126 million specimens of plants, animals, fossils, minerals, rocks, meteorites, human remains, and human cultural artifacts. It is also home to about 185 professional natural-history scientists—the largest group of scientists dedicated to the study of natural and cultural history in the world. The United States National Museum was founded in 1846 as part of the Smithsonian Institution. The museum was initially housed in the Smithsonian Institution Building, which is better known today as the Smithsonian Castle. A formal exhibit hall opened in 1858.