1. Prawoto Mangkusasmito was an Indonesian politician who served as the final chairman of the Masyumi political party before its dissolution in 1960.

1. Prawoto Mangkusasmito was an Indonesian politician who served as the final chairman of the Masyumi political party before its dissolution in 1960.
Prawoto Mangkusasmito served as the Deputy Prime Minister of Indonesia during the Wilopo Cabinet between 1952 and 1953.
Prawoto Mangkusasmito originated from a Santri family from Central Java and studied law in Batavia, although the Japanese occupation began before he completed his studies.
Prawoto Mangkusasmito was born in the village of Tirto, today in Magelang Regency of Central Java, on 4 January 1910.
Prawoto Mangkusasmito enrolled at a Hollandsch-Inlandsche School in 1917, becoming friends with later foreign minister Mohammad Roem, before continuing his studies to a Meer Uitgebreid Lager Onderwijs in Magelang and then an Algemene Middelbare School in Yogyakarta.
Prawoto Mangkusasmito became a member of the Central Indonesian National Committee and was appointed to its Working Body.
Prawoto Mangkusasmito was reelected into the parliament following the 1955 legislative election.
Prawoto Mangkusasmito became a member of the Constitutional Assembly of Indonesia, serving as its deputy chairman.
Prawoto Mangkusasmito's opposition, led by former prime minister Soekiman Wirjosandjojo, favored forming an anti-communist front with PNI and other nationalist parties.
In Masyumi's April 1959 congress, Prawoto Mangkusasmito's faction emerged victorious, and he was elected Masyumi's chairman.
Prawoto Mangkusasmito conducted negotiations with PNI to secure Masyumi's political future and made some headway, but this fell apart following Sukarno's 1959 Decree which dissolved the Constitutional Assembly.
Prawoto Mangkusasmito was arrested in 1962, having called for Sukarno to be tried for violating the constitution.
Prawoto Mangkusasmito was imprisoned in Madiun and following the fall of Sukarno he was released on 17 May 1966.
Prawoto Mangkusasmito was active in Islamic dawah along with Mohammad Natsir.
Prawoto Mangkusasmito was initially buried at a public cemetery in South Jakarta before his grave was relocated to Kalibata Heroes' Cemetery in the 1990s.
Prawoto Mangkusasmito married Rabingah on 20 October 1932, and the couple had four children.