Together with many other well-known name critics of the government, they signed a petition which would become known as Petisi 50 (Petition of Fifty), so-called because there were 50 signatories.
Bersama dengan banyak nama kritikus terkenal terhadap pemerintah, mereka menandatangani petisi yang dikenal sebagai Petisi 50, disebut demikian karena ada 50 orang penandatangan petisi tersebut.