CHINA (Taiwan), 1992, the 4th centenary of Schall's birth, Scott 2872
GERMANY, 1992, the 4th centenary of Schall's birth, Scott 1742
Johann Adam Schall von Bell was born in Cologne in 1592, entered the Society there in 1611, and went to the China mission, where he was known as Tāng Ruòwàng. He was brought to Peking to work on the reform of the Chinese calendar, an apostolically important but politically delicate task. For his success, he was made mandarin and president of the Board of Mathematics, and was permitted to build the first church in the capital. The rapid increase in the number of converts that followed can be attributed at least in part to his work on the calendar reform. More
