Molenberg, Juan Alberto
- Michaela de Lacaze
(b Buenos Aires, 1921; d 2011).
Argentine painter. Coming from a working-class background and struggling with pecuniary difficulties throughout his life, Molenberg did not create more than a handful of works in the 1940s. Though finite, his oeuvre was pivotal to the development of concrete art in Buenos Aires. After studying at the Escuelas de Bellas Artes Manuel Belgrano and the Escuela Nacional de Bellas Artes Prilidiano Pueyrredón, he founded, along with poet Edgar Bayley and several artists, including Tomás Maldonado and Lidy Prati (1921–2008), the Asociación Arte Concreto-Invención (AACI) in November 1945. This artist collective called for an uncompromising geometric abstraction to be attained through invention—a practice which methodically reveals (rather than expresses, fortuitously discovers, or mathematically derives) the underlying material properties and pure, concrete forms of the art object. In a similar way to other artists of the AACI, Molenberg dramatically reinterpreted the abstraction of Piet Mondrian and the Russian avant-garde through his relief-like paintings....