1. Hamazasp "Hamo" Ohanjanyan was an Armenian medical doctor, revolutionary, and politician of the Armenian Revolutionary Federation.

1. Hamazasp "Hamo" Ohanjanyan was an Armenian medical doctor, revolutionary, and politician of the Armenian Revolutionary Federation.
Hamo Ohanjanyan served as the third Prime Minister of the First Republic of Armenia from May 5 to November 23,1920.
Hamo Ohanjanyan was born in 1873 in the Armenian-majority town of Akhalkalak in the Tiflis Governorate of the Russian Empire.
Hamo Ohanjanyan first went to school in his birthplace, then moved to Tiflis and graduated from the Tiflis Russian Gymnasium.
Hamo Ohanjanyan then traveled to Lausanne, where he graduated from the Lausanne Medical Institute in 1899.
Hamo Ohanjanyan became a member of the eastern Bureau of the ARF in 1905.
Hamo Ohanjanyan was arrested during the tsarist crackdown on Armenian revolutionaries and sent to Novocherkassk in 1909.
Hamo Ohanjanyan was the chief defendant in the trial of 159 ARF members in 1912, where the Armenian revolutionaries were defended by Alexander Kerensky.
Hamo Ohanjanyan then worked as a doctor on the Caucasian front.
Hamo Ohanjanyan was a member of the Transcaucasian Seim in 1918.
In September 1920, Kemalist Turkey invaded Armenia, and after a series of crushing defeats, Hamo Ohanjanyan's government resigned on 23 November 1920 to allow another cabinet led by Simon Vratsian to negotiate peace terms.
Hamo Ohanjanyan was released during the February Uprising of 1921, when Soviet rule was briefly overthrown in Armenia.
Hamo Ohanjanyan fled to Iran after the restoration of Soviet rule and from there went to Egypt.
Hamo Ohanjanyan lived the rest of his life in Cairo, working as a doctor and continuing his activities as a member of the ARF Bureau.
Hamo Ohanjanyan was one of the founders of Hamazkayin, an educational and cultural organization active in the Armenian diaspora to this day.