In December 1972, Dr. Abdus Salam directed a secretly coded memo to Pakistani scientists working at the International Centre for Theoretical Physics (ICTP) in Italy to report to the Chairman of the Pakistan Atomic Energy Commission (PAEC), Munir Ahmad Khan, informing them about the program what was to be equivalent of the US "Manhattan Project." In an effort to instill a sense of pride, Salam noted that the heads of the Manhattan Engineer District were theoreticians, and informed the scientists at ICTP that a similar division was being established at PAEC; this marked the beginning of the "Theoretical Physics Group" (TPG). Other theoreticians at Quaid-e-Azam University would also join the TPG, then led by Salam who had done ground-breaking work for TPG. Among them was Riazuddin, Fayyazuddin, Masud Ahmad, and Faheem Hussain who were the cornerstone of the TPG.