CASSANA, NICCOLO (1659-1714), often called Nrco LETTO, Italian painter, was born at Venice, and became a disciple of his father, Giovanni Francesco Cassana, a Genoese, who had been a pupil of Bernardino Strozzi ("il Prete Genovese"). Having painted portraits of the Florentine court and of some of the English nobility, Nicoletto was invited to England and intro duced to Queen Anne, who sat to him for her portrait. He died in London in 1714. One of his principal works is the "Conspiracy of Catiline," now in Florence.