It was then that the Kunsthaus Zürich devoted an exhibition to 40 of his works, accompanied by a nine-page brochure,[5] and thereafter paintings and posters of his began to appear in art showrooms.
[6] Schwab did not leave Paris for several more years after giving up painting and was described as a “theatre personality” at the time he began a twenty-year relationship with the Swiss Valentine de Kerven (1901-1991).
Together they joined the Revolutionary Association of Artists and trained to fight against General Franco during the Spanish Civil War, until Schwab withdrew.
In 1954 they made another difficult journey, driving overland to India via Iraq, Iran and Afghanistan in a Volkswagen, in order to visit Jiddu Krishnamurti.
Other publications at that period appeared in Acta Tropica and included consideration of ricin production in the Sahara and vanilla growing in the Comoro Islands, both of which he had visited.