Jainendra K. Jain received his Ph.D. in 1985 from Stony Brook University, where he returned in 1989 as a faculty member, before moving to Pennsylvania State University in 1998 as the Erwin W. Mueller Professor of Physics. He enjoys thinking about the collective physics of low-dimensional systems, especially the fractional quantum Hall effect. Among his honors are the Oliver E. Buckley Prize of the American Physical Society and Distinguished Alumnus Award of the Indian Institute of Technology, Kanpur. He was elected a Fellow of the American Academy of Arts and Sciences in 2008, and holds visiting positions at IISER, Kolkata, and IAS, Korea. He has written a book Composite Fermions (Cambridge University Press, 2007).