Background
He was born in 1870 near the village of Bassein.
He was born in 1870 near the village of Bassein.
He attended a school headed by an American missionary, Charles Nichols, who was impressed with his motivation and decided Po should continue his education in the United States.
His family was Sgaw Karen and Christian. At the age of fourteen, he was sent to live with relatives of Doctor Nichols. After high school, he attended Albany Medical College and received his Doctor of Medicine degree in 1893.
He applied for naturalization as a United States. citizen but was denied on the grounds of his race.
He returned to Burma and served as the district medical officer in Bassein, followed by Kyaukse and Myaungmya. He increasingly became involved in Karen nationalist affairs and in 1915 was appointed to the Legislative Council of Burma, an advisory council to the British colonial governor.
He was awarded a Commander of the Order of the British Empire and was further knighted in 1933. He is also known for his book Burma and the Karens.
Published in 1928, Burma and the Karens now functions as a survey on the situation facing the Karen people in the early 20th century.