Professor Daniel Kleppner, Chief of the Joint Laboratory on cooled Atom of Massachusetts Institute of Technology (MIT) and Harvard University of the U.S., Deputy Director of the Electronics Laboratory of MIT as well as a world well-known atomic physicist, with his wife visited our  institute at our invitation during June 7 to 8, 2007. They inspected the Time-keeping Lab and the Physical Optics Lab of Quantum Frequency Standards of our institute, and spoke highly of the scientific research progress made by the Group of Quantum Frequency Standards in recent two years and the role played by the NTSC in the aspects of time maintenance, measurement and test. Besides, Professor Daniel Kleppner also accepted the appointment with pleasure to be a Visiting Research Fellow of NTSC.

In the afternoon of Mar. 7, Professor Daniel Kleppner gave a report on “The Past, Present and Future of Atomic Physics” in the meeting room on the 2nd floor of NTSC’s Scientific Research Building. In the report, taking the major achievements of all previous Nobelists in the field of atomic physics as the main line, he introduced the development of modern atomic physics, summarized the hot topics currently studied in this field, and envisioned the future of atomic physics. During the link of question answering, he also encouraged young scientists to rise up to challenges with full enthusiasm and optimism, and make their contribution to the quest for and control over the atom world.

Dou Zhong, Deputy Director of NTSC, held the report meeting, and issued the Letter of Appointment to Professor Daniel Kleppner to be a Visiting Research Fellow of NTSC. Postgraduates studying in the NTSC and its partial researchers attended the meeting.