Saint Paul Chong Hasang was one of the Korean Martyrs. His feast day is September 22 and he is also venerated along with the rest of the 103 Korean martyrs on September 20. He was the son of the martyr Augustine Jeong Yak-Jong and a nephew of noted philosopher John Jeong Yak-Yong, who were among the first converts of Korea, who wrote the first catechism for the Roman Catholic Church in Korea...