"Smithsonian Institute," named for English scientist and philanthropist James Smithson (1765-1829), who left a legacy to the U.S. government to found it. The mineral smithsonite also is named for him.
Examples from the Web for smithsonian
His costumes were exhibited at the Smithsonian Institution and St. Louis Museum of Art, among other high-end venues.Mardi Gras Indian Chief Larry Bannock’s Final Ride|Jason Berry|May 16, 2014|DAILY BEAST
Smithsonian Institution scientist Bill Eberhard, founding father of the whole field, favors the internal courtship idea.Oh, if These Penises and Vaginas Could Talk: Genitalia as Tools, Toys, and Weapons|Menno Schilthuizen|May 1, 2014|DAILY BEAST
From that point of view, I hope my jersey in the Smithsonian is replaced by one of a turbaned Sikh who plays in the NBA.The NCAA’s First Sikh Basketball Player Memorialized at the Smithsonian|Simran Jeet Singh|March 1, 2014|DAILY BEAST
Children are on the news complaining about the Smithsonian being closed.‘The West Wing’ Government Shutdown Episode Is Frighteningly Familiar|Marlow Stern|October 2, 2013|DAILY BEAST
Thus, in addition to CBS proper, the batch of cable networks owned by CBS—Showtime, TMC, FLIX, and Smithsonian—went dark.Is Life Without CBS Really So Bad for Time Warner Customers?|Marlow Stern|August 8, 2013|DAILY BEAST
I know of no public collection of sun-dials in America save that in the Smithsonian Institution, and that is not a large one.Old-Time Gardens|Alice Morse Earle
This instrument, now preserved in the Smithsonian Institution, has had an engaging history.Seaport in Virginia|Gay Montague Moore
This paper contains an account of these, and is published here by permission of the Secretary of the Smithsonian Institution.
I've noticed since I've been away that about everybody smokes—senators and judges, and even Smithsonian Institute folks.Thankful's Inheritance|Joseph C. Lincoln
Do you know any more about the big python that was found in Florida, or was it just taken to the Smithsonian Institute?