toward concrete art" with his 1951 retrospective at the São Paulo Museum of Modern Art. He strongly influenced Brazilian artists like Franz Weissmann. Private life After a liaison with Nusch Éluard, Bill married the cellist and photographer Binia Mathilde Spoerri in January 1931. She died in 1988. From 1974 he was living together with art historian Angela Thomas; they married in 1991. Bill was also involved in politics. He was elected to the Zurich municipal council in 1961. From 1967 to 1971, he served as a member of the Swiss National Council. Bill died en route to a hospital after collapsing from a heart attack at Berlin Tegel Airport. He was 85 and lived in Zumikon, a Zürich suburb. In 1996, Jakob Bill, the son of Max, founded the Swiss Max Bill Foundation (max, binia + jakob bill stiftung) and implemented the idea of his father. The purpose of the foundation is to collect and take care of the works in possession of the Bill family, as well as the promotion of scientific research. Gallery Literature Jakob Bill: Max Bill am Bauhaus. Benteli, Bern 2008, . Max Bill: Funktion und Funktionalismus. Schriften 1945–1988. Benteli, Bern 2008, . Max Bill, Retrospektive. Skulpturen Gemälde Graphik 1928–1987. (Texte Christoph Vitali, Eduard Hüttinger, Max Bill.) Katalog Schirn Kunsthalle, Frankfurt/Zürich/Stuttgart 1987 . Thomas Buchsteiner und Otto Lotze:max bill, maler, bildhauer, architekt, designer. Ostfildern-Ruit 2005, . Luciano Caramel, Angela Thomas: Max Bill. Pinacoteca Communale Casa Rusca, Locarno / Fidia Edizione d'Arte, Lugano 1991, . Roberto Fabbri: Max Bill in Italia. Lo spazio logico dell'architettura, Bruno Mondadori Editore, Milano 2011, . Roberto Fabbri: Max Bill. Espaces, Infolio Éditions, Gollion – Paris, 2017, . Gerd Fischer: Der Koloss von Frankfurt: Die „Kontinuität“ von Max Bill. In: Mitteilungen der Deutschen Mathematiker-Vereinigung, Heft 4/1999, S. 22–23. Eduard Hüttinger: Max Bill. abc Verlag, Zürich 1977, . Eduard Hüttinger: Max Bill. Edition Cantz, Stuttgart 1987 (erweiterte Ausgabe) Gregor Nickel und Michael Rottmann: Mathematische Kunst: Max Bill in Stuttgart. In: Mitteilungen der Deutschen Mathematiker-Vereinigung, Band 14, Heft 3/2006, S. 150–159. Arturo Carlo Quintavalle: Max Bill. Università Commune Provincia di Parma, Quaderni 38, 1977. Thomas Reinke und Gordon Shrigley: Max Bill: HfG Ulm: Drawing and Redrawing: Atelierwohnungen, Studentenwohnturm. marmalade, 2006, . Emil Schwarz: Im Wissen der Zeit oder Der Sinn, den die Schönheit erzeugt, Hommage à Max Bill, ein dichterischer Nachvollzug mit dem Essay Wirklichkeit oder Realität. NAP Verlag, Zürich 2010, . Werner Spies: