To a lesser extent, he was involved in the constitutions of Poland, South Africa, Hungary, Romania, Niger, Uganda and Trinidad and Tobago.
[2] From 1959 until 1968, Blaustein worked in the London School of Economics, the Constitution Associates foreign advisory board and the US Department of Education and the US Commission on Civil Rights from 1962 - 1963.
[2] Blaustein later worked to develop the Russian court system and constitution,[3] and in 1966, served as the expert witness on legal aspects of population control for the US Senate.
A resident of Cherry Hill, New Jersey, Blaustein died on August 21, 1994, at the age of 72 at Duke University Hospital after he experienced a heart attack.
[4] He has three children, Mark Allen, Eric Barry and Dana Beth and is the Pop-Pop of world famous comedian Michael Blaustein.