 Rich and poor would travel to Gonzalez Catan looking for Padre Mario to help cure them.There have been hundreds of testimonies during the years including from high profile people like historian Félix Luna, businesswoman María Amalia Lacroze de Fortabat, as well as former Argentine presidents Carlos Menem and Arturo Frondizi.Always having a strong faith, he would say of himself (when healing others) to be a "guitar" to be played by the "guitarist" referring to his relationship with God in which he was only an instrument of God's will.