Physics and astronomy have been taught at the University of Warsaw since 1816, originally within the framework of the Faculty of Philosophy of the time. The Astronomical Observatory was founded in 1825. Currently the Faculty of Physics, University of Warsaw consists of: the Institute of Experimental Physics, the Institute of Theoretical Physics, the Institute of Geophysics, the Department of Mathematical Methods in Physics and the Astronomical Observatory. The Institute conducts research in nearly every field of contemporary physics, through a quantum scale to a cosmological scale. The staff consists of over 200 academics, including 70 professors. The Faculty of Physics, University of Warsaw has nearly 700 students and about 150 PhD students.