Srinagarindra general public, the foundation offers artificial limbs to the needy. In 1964, at the age of 64, she hiked to the top of Doi Inthanon, Thailand's highest peak, in Chiang Mai Province. She had been used to taking walks from Bhubing Palace, accompanied by border control police and two physicians. Soon she felt that she had covered all she could within the immediate vicinity, and yearned to conquer Doi Inthanon, which was visible from the palace windows. In those days there was no access road to the top, so the princess mother spent two nights camping out during her hike,
Peter Doi became the first Japanese member of the College of Cardinals. He attended the Second Vatican Council from 1962 to 1965, and was later one of the cardinal electors who participated in the 1963 papal conclave that selected Pope Paul VI. Doi died in Tokyo, aged 77. He is buried in St. Mary's Cathedral. Doi, along with Stefan Wyszyński, assisted Paul Peter Meouchi in delivering one of the closing messages of the Second Vatican Council on 8 December 1965. Peter Doi Peter Tatsuo Doi (土井 辰雄 "Doi Tatsuo") (22 December 1892—21 February 1970) was a Japanese Cardinal of the Catholic Church.