a monastic who labored for the Christian cause in the missionary field, flourished in the second half of the 13th century. He was a member of the Dominican order, but allied -himself with the celebrated Franciscan John de Monte Corvino, and accompanied him in his missionary tour to Persia and India. Nicholas de Pistorio died in India some time after 1291. His memory is revered in all the churches of Christ for his great zeal in the cause of the Master.