Toni Zweifel

Toni Zweifel (15 February 1938 – 24 November 1989) was Swiss Catholic engineer who patented several inventions. He founded and served as director of the Limmat Foundation, a foundation that supports social projects all over the world with a majority of women as project beneficiaries. He was a numerary member of the Opus Dei. He is a candidate for sainthood in the Catholic Church and is titled "Servant of God".