The collection belonged to Basil Goulandris and his wife Elise Karadontis, members of the same storied Greek shipping dynasty that gave Athens two other museums. Across their lifetimes the couple assembled one of the most formidable private holdings of modern art anywhere in the world. Basil died in 1994 and Elise in 2000, but their vision of sharing the art with the public survived them, carried forward by the foundation that bears their names. The museum that finally opened in 2019 is the fulfillment of a promise long deferred, and a reminder that great collections are rarely the work of a single moment.

The building itself is a clever piece of architecture. From the street it appears to be a restored 1920s neoclassical mansion in the heart of residential Pangrati, but it conceals a ten-storey extension, five of those floors burrowing below ground. In all the museum offers some 7,250 square meters of space. The permanent collection occupies four above-ground floors, while a lower level hosts temporary exhibitions of Greek and international artists. Beneath the galleries lie a library of around 4,500 volumes, a children's workshop, and a 190-seat amphitheatre, a museum built as much for learning as for looking.

The roll call of artists reads like a survey of modern art itself. Cezanne and Van Gogh, Monet and Degas, Picasso and Matisse, Chagall, Miro, Kandinsky, Giacometti, hang alongside Jackson Pollock, Francis Bacon, and Roy Lichtenstein. Van Gogh alone is represented by several works, including Olive Picking from 1889 and two still lifes from 1888. There is a 1907 Picasso nude from the very moment Cubism was being born, a Monet from his famous Rouen Cathedral series, and Degas's haunting Little Dancer Aged Fourteen. To move through the rooms is to watch European art transform across a single century.

Yet this is not only a museum of famous foreigners. Basil Goulandris collected Greek modern painters with the same passion he brought to the great names of Paris, and the museum gives them pride of place: Konstantinos Parthenis, Yiannis Tsarouchis, Yannis Moralis, Nikos Hadjikyriakos-Ghika, and others who built modern Greek art in dialogue with the wider movements of Europe. Hanging Greek modernists beside Picasso and Matisse makes a quiet but pointed argument, that the story of twentieth-century art runs through Athens too, not just Paris and New York.

It is easy to confuse the Goulandris museums of Athens, and worth untangling them. This one, the Museum of Contemporary Art in Pangrati, springs from Basil and Elise Goulandris and their modern masters. It is distinct from the Museum of Cycladic Art, founded by Nikolaos and Dolly Goulandris around ancient Aegean figurines, and from the Natural History Museum in the suburb of Kifisia, founded by Angelos and Niki Goulandris. Three branches of one family, three different passions, three gifts to a single city. Together they form an extraordinary act of cultural philanthropy, the kind that turns private fortune into public inheritance.