Another German group was Der Blaue Reiter ("The Blue Rider"), led by Kandinsky in Munich, who associated the blue rider image with a spiritual non-figurative mystical art of the future.
After marrying, the couple began to collect art items from the 19th century and the 20th century, mainly of French, Canadian and Israeli artists such as Gauguin, Rodin, Picasso, Henri Matisse, Kandinsky and Chagall.
The collection includes about 600 accumulated works of painting, sculpture and graphic art; donations of contemporary Italian and foreign artists and includes works by Gauguin, Chagall, Klee, Dalí and Kandinsky.
The Eva and Brian Sweeney Collection currently consists of about 500 works by artists such as Monet, Sisley, Pissarro, Klimt, Khnopff, Alma-Tadema, Klee, Kandinsky, Mondrian, Cornell, Rauschenberg, Doig, Zach Houston, Warhol, Close and Estes.
A collection of his letters shows that he was personally well acquainted with modern artists at the time, and he acquired and exhibited works by many of them, including Barlach, Feininger, Hofer, Kandinsky, Kirchner, Klee, Kokoschka, Lissitzky, Marc, and Munch.
On September 20, 2007, Deutsche Bank and ArtChronika presented their nominations of over 250 names for the Kandinsky Prize in a press conference.
For four years (1928–32), she and her husband lived in Berkeley, California where she joined various art leagues and worked with prominent artists in the Bay Area, including John Emmett Gerrity, David Park and Galka Scheyer who represented The Blue Four: European abstractionists, Feininger, Kandinsky, Jawlensky and Klee.
1928 Bauhaus, Dessau, Germany with Paul Klee, Wassily Kandinsky, and Josef Albers
The catalogue of the first NKVM exhibition lists 128 items by 16 artists: Paul Baum, Wladimir von Bechtejeff, Erma Bossi, Dresler, Eckert, Erbslöh, Pierre Girieud, Karl Hofer, Jawlensky, Kandinsky, Kanoldt, Kogan, Alfreds Kubin, Münter, Pohle, Werefkin, and is accompanied by 14 reproductions and a list of prices.
It became famous for supplying art supplies to artists such as Cézanne, Degas, Gauguin, Pissarro, Soutine, Modigliani, Kandinsky, Bonnard, and Picasso.
The artist's acknowledged sources range from old masters to the Futurists (especially Boccioni and Balla): from Klee and Kandinsky to Matta, Gorky and Pepi's contemporaries.