Sum of the Arts
Self-portraits Rembrandt painted, sketched, or etched in his lifetime = 80

Inspired by the Harper’s Index, Sum of the Arts is a periodic tabulation of numbers floating around the art world and beyond.
Self-portraits Rembrandt painted, sketched, or etched in his lifetime = 80
Inches one of the tiniest Alexander Calder sculptures will stand in an exhibition of his smallest works opening next week at Dominique Lévy Gallery in New York = 1
Rusting American warplanes expelled to the National Museum of the United States Air Force in Ohio after three decades at a village museum in Kent, England = 2
Casts of Alberto Giacometti’s 1947 “Pointing Man” already in museum collections out of six made (with one heading to auction May 11) = 4
Height in feet of the towering contrabass saxophone on view at the Metropolitan Museum of Art = 6.7
Hours artist Leanne Wijnsma spent hand digging one of her deepest “Escape” tunnels in the Netherlands = 14
Pieces of letterpress type unearthed from Harvard Yard, much dating to the 17th century, being matched to books at Harvard University’s libraries = 28
Percentage of the 136 participants in the main exhibition of the Venice Biennale, opening next month, who are women = 33
Human and animal mummies in the collections of the British Museum = over 400
Years ago that the oldest known stone tools were believed made in Africa = 3,300,000