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
Cooper Hewitt, Smithsonian Design Museum made of Tiffany glass, was renovated in 1975. In 1995, the museum closed for a year for a $20 million renovation to connect the three buildings on the property, improve accessibility, and build a design study center. Funds for the 1995 renovation project included $13 million from the Smithsonian Institution and a $2 million donation by Agnes Bourne. In 2008, the museum started to undergo renovations. The renovation costs $91 million and is the largest in the museum's history. The renovation was partially financed by the museum endowment. The museum reopened on December 12, 2014. Additional renovations were completed in