Jawlensky

‘Jawlensky and Kandinsky: The Milton Wichner Collection’ Works by these two seminal Modernist painters are on view through Oct.

McDonald’s golden arches, exuberant dancers in Russian folk tales, the refined spiritual abstractions of painter Alexei Jawlensky, gymnasts’ flips, E.T. the Extra-Terrestrial — convention in Tejda’s art is the equivalent of channel flipping on television or Internet surfing in the still-young digital world.

In the case of the painter Alexej von Jawlensky, for instance, Mr. Jägers has tested 75 paintings attributed to the artist over the years, 50 of which he found to be fakes.

German-born art dealer Galka Scheyer helped organize exhibitions that promoted a key group of 20th century artists known as the Blue Four: Paul Klee, Lyonel Feininger, Alexei Jawlensky and Vasily Kandinsky.

During the tumultuous 1930s and ’40s, the prominent German-born art dealer and collector organized exhibitions, lectures, publications — and ultimately sales — of work by the beloved artists she dubbed the Blue Four: Paul Klee, Lyonel Feininger, Alexei Jawlensky and Vasily Kandinsky.