From his school days, Friedmann found an inseparable companion in Jacob Tamarkin, who at the end of his career was one of Brown University's most distinguished mathematicians.
He had over twenty doctoral students at Brown, including Dorothy Lewis Bernstein, Nelson Dunford, George Forsythe and Derrick Lehmer.
Jacob | John Jacob Astor | Jacob M. Appel | Jacob Epstein | Jacob Zuma | Jacob Obrecht | Jacob Lawrence | Jacob Appel | John Jacob Astor IV | Irène Jacob | Jacob Jordaens | Paul Jacob | Meshullam ben Jacob | Jacob Riis | Jacob Grimm | Jacob Christian Schäffer | Jacob Appelbaum | Jacob Truedson Demitz | Jacob ter Veldhuis | Jacob's Ladder | Jacob's biscuits | Jacob's Award | Jacob Rothschild | Jacob L. Devers | Jacob Latimore | Jacob Kirkegaard | Jacob Kielland | Jacob J. Shubert | Jacob Hackenburg Griffiths-Randolph | Jacob Bronowski |