After the war, the family relocated to the United Kingdom,[6] where Finkelstein pursued his education and built a successful career.
[4] He then earned his doctorate and became deeply involved in advancing systems engineering and instrumentation, with a long tenure at City, University of London.
[7][4] Finkelstein served as a professor at University of London, and established himself as an expert in measurement science, control systems, and the application of cybernetics to engineering problems.
His research emphasized practical solutions and technological innovation, and he became a pioneer in connecting theoretical concepts with industrial applications.
[2][7] He was awarded the Queen's Silver Jubilee Medal in 1977 and appointed Officer of the Order of the British Empire (OBE) in 1990.