František Kupka, also known as Frank Kupka or François Kupka, was a Czech painter and graphic artist. He was a pioneer and co-founder of the early phases of the abstract art movement and Orphic cubism. Wikipedia
And those few aren’t always seen in situ, hanging in a gallery. The architectural mise-en-scène is the main event of the virtual tours in most cases, from the Uffizi’s long, grand hallways to the gift shop of the Rijksmuseum in Amsterdam and the modest galleries of the Kampa Museum in Prague, where the star paintings is Frantisek Kupka’s 1912-13 “Cathedral,” the only abstraction among what could be called the Google 17.