Parents Naum Solomonovich Tubelsky (father) and Sima-Leya Aronovna Sad settled in Moscow in the late 1920s or early 1930s from Kherson, now in Ukraine.
Aleksander graduated from Moscow High School and worked at the factory "Stroydetal" in Krasnodar in the late 1950s.
In 1982 was promoted as a director of employment, laboratory training and career guidance of Academy of Pedagogical science of USSR.
Aleksander Tubelsky was a professor of the Moscow State Pedagogical University, the author and editor of 16 books and more than 150 articles on educational content, fabric of school life.
In February 2007 he had a micro-stroke, which did not stop his innovations in teaching science; however, on May 31, 2007, a second stroke was fatal, and Aleksander Naumovich Tubelsky died later that day.