Saint Bernadine is also known as Saint Bernadino of Siena. He is an Italian Franciscan monk credited with reviving the Catholic faith in Italy during the 15th century due to his preachings against many sinful behaviors of the time including gambling, homosexuality, and witchcraft.
He became very popular because he spoke to the people of the towns in a simple and easy to relate to manner. His delivery and speaking style was much admired.
His feast day is May 20th and he is the patron saint of Public relations, Advertisers, those with a gambling problem, and those who suffer from chest problems.