Tolkowsky also held a series of minor government posts. In 1963, he joined the National Council for Research and Development. He served as Chairman of the Subcommittee on Radiation and Radioisotopes of the Israel Atomic Energy Commission. In 1970, he headed a commission of inquiry that investigated an accident at Lod Airport. From 1978-1980 he was a member of the Israel Securities Authority plenum. In 1997, he served on the Ciechanover Commission, which investigated a failed Mossad assassination attempt against Hamas leader Khaled Mashal in Jordan. He also was a member of a committee examining the organizational structure of higher education institutions.
