De Stijl was published by the Dutch painter, designer, writer, and critic Theo van Doesburg that served to propagate the group's theories. Along with Theo van Doesburg, the group's principal members were the painters Piet Mondrian, Vilmos Huszár, and Bart van der Leck, and the architects Gerrit Rietveld, Robert van 't Hoff, and J. J. P. Oud. The artistic philosophy that formed a basis for the group's work is known as "Neoplasticism"—the new plastic art (or "Nieuwe Beelding" in Dutch). According to Theo van Doesburg in the introduction of the magazine "De Stijl" 1917 no.1, the "De Stijl"-movement was a reaction to
Guido van Rossum Java. According to a programming language popularity survey it is consistently amongst the top 10 most mentioned languages in job postings. Furthermore, Python is consistently in the top 10 most popular languages according to the TIOBE Programming Community Index. At Google, Van Rossum developed Mondrian, a web-based code review system written in Python and used within the company. He named the software after the Dutch painter Piet Mondriaan. He named another related software project after Gerrit Rietveld, a Dutch designer. In 2013, Van Rossum started working at the cloud file storage company Dropbox. Guido van Rossum Guido van Rossum (;