Happy birthday to Willem de Kooning, born April 24, 1904.

Willem de Kooning seated, ca. 1950 / unidentified photographer. Photographs of Willem de Kooning, Archives of American Art, Smithsonian Institution.

Oh, artists and their jokes.

Jacob Kainen reading while sitting in a picture frame, ca. 1935 / unidentified photographer. Jacob Kainen papers, Archives of American Art, Smithsonian Institution.

Jacob Lawrence was born on this day in 1917. To see some examples of his work in the Smithsonian collections, click here.

Jacob Lawrence, 1966 / Geoffrey Clements, photographer. American Federation of Arts records, Archives of American Art, Smithsonian Institution.

Nine shades of Man Ray.

Man Ray, 1963 / Naomi Savage, photographer. Naomi Savage papers on Man Ray, Archives of American Art, Smithsonian Institution.

Louise Nevelson was one of the most prominent sculptors of the 20th century, and also a wearer of many stylish pieces of headgear (like this, this, or this).

Louise Nevelson, 1932 / unidentified photographer. Louise Nevelson papers, Archives of American Art, Smithsonian Institution.

Gotta love David Hockney’s matching “cap” and “shirt.”

David Hockney in his studio, 1984 May / Andre Emmerich, photographer. Andre Emmerich Gallery records and Andre Emmerich papers, Archives of American Art, Smithsonian Institution.

Big day for track & field today - there are six gold medal events. Rockwell Kent was so excited he suited up.

Rockwell Kent in a track uniform, ca. 1905 / unidentified photographer. Rockwell Kent papers, Archives of American Art, Smithsonian Institution.

William Brown trains for weightlifting.

Joan Brown, William Brown, and Jay DeFeo at Bolinas Beach, between 1957 and 1960 / unidentified photographer. Jay DeFeo papers, Archives of American Art, Smithsonian Institution.

Sculptor John Chamberlain - the original Lloyd Dobler?

John Chamberlain, 196- / unidentified photographer. Leo Castelli Gallery records, Archives of American Art, Smithsonian Institution.

Happy 105th birthday, Frida!

Frida Kahlo, 1948 Jan. 24 / Florence Arquin, photographer. Florence Arquin papers, Archives of American Art, Smithsonian Institution.