 Louis Victor Wijnhamer , Jr . ( 11 February 1904 – 13 May 1975 ) , better known as Pah Wongso ( Chinese : <unk> ; pinyin : Bó <unk> ) , was an Indo social worker popular within the ethnic Chinese community of what was initially the Dutch East Indies , and subsequently became Indonesia . Educated in Semarang and Surabaya , Pah Wongso began his social work in the early 1930s , using traditional arts such as wayang golek to promote such causes as monogamy and abstinence . By 1938 he had established a school for the poor , and was raising money for the Red Cross to send aid to China . 
