Mohammad Isnaeni ( – ) was an Indonesian politician, who served as one of the longest deputy speakers of the People's Representative Council for four consecutive terms, from 1966 until 1982. He was a member and de facto chairman of the Indonesian National Party (PNI) until the PNI's merger into the new Indonesian Democratic Party (PDI), of which he was also chairman of. Early life and education Early life Mohammad Isnaeni was born in Ponorogo, East Java. His father was a man named Khasan Yahya, who was a religion teacher from an ulama family in Tegalsari, Ponorogo, whose students were from Tegalsari and outside the region. His mother was a woman named Umiyati, which came from a pesantren family in Pacitan. Isnaeni also had three brothers, namely Ngam, Isngat, and Istijab. Education Isnaeni was educated in the People's School (Sekolah Rakyat), in Ponorogo, graduating in 1932. After finishing his primary school, Isnaeni continued to study in the Ponorogo Junior High School from 1933 to 1936. He then attended teacher's school, graduating in 1939. Youth Activism Since 1936, Isnaeni had been active in the Indonesian Youth in Jogjakarta. In the same year, he was chosen as the chairman of the students' union of the Taman Siswa branch in Mataram, Jogjakarta. His further activity led him to become one of the precursors to the establishment of the . He was elected as the chairman of the Indonesian Democratic Youth twice, in its first and second congress in October 1947 and February 1948. During his term, he established the National Youth Front, comprising the Indonesian Democratic Youth, Islamic Youth Movement of Indonesia, Christian Youth, Catholic Youth, and the Young Communist Force, rivaling the BKPRI, a similar organization which has been dominated by the Socialist Youth of Indonesia. He resigned from the post in 1954 due to his activity in the Indonesian National Party and his post as the Head of Information Office in the Indonesian Embassy in Peking. Scouting Isnaeni was also active in the scouting activity of Indonesia. From 1936 to 1939, he had been active as a Class I Scout in the Indonesian Nation Scouting, together with Bung Tomo. After that, he seated the Madiun branch office of the Indonesian Nation Scouting from 1940 to 1942. During his time in the office, he met Siti Juniati Waltien, who later became his future wife. Indonesian National Revolution During the war of independence,