1. Marian Chodacki received a law degree from the University of Warsaw.

1. Marian Chodacki received a law degree from the University of Warsaw.
From 1912 to 1914, Chodacki belonged to the Riflemen's Association.
In May 1922, Marian Chodacki was made a lieutenant with retroactive seniority from June 1,1919.
Marian Chodacki completed studies at the Higher Military Academy in Warsaw from 1922 to 1924.
On December 10,1932, Marian Chodacki was assigned to the Polish Ministry of Foreign Affairs for a period of six months.
Marian Chodacki was assigned ministerial adviser in the Political Department of the Ministry of Foreign Affairs.
Marian Chodacki was a confidant of Jozef Beck, the foreign minister, who considered Chodacki the best politician among the officers transferred from military service to diplomacy.
In December of 1936, Marian Chodacki assumed the office of the Commissioner General of the Republic of Poland in the Free City of Gdansk.
Marian Chodacki ultimately served as the institute's executive director from 1949 to 1951.
On March 11,2019, by decision number 491 of the Polish Minister of National Defense, Marian Chodacki was posthumously promoted to the rank of lieutenant colonel.