Dr. Ajayan is one of the pioneers in the field of carbon nanotubes and was involved in the early work on the topic along with the NEC group. He has published one book and 324 journal papers with more than 18,600 citations and an h-index of 67. He has given more than 230 invited talks including several keynote and plenary lectures in more than 20 countries. His awards include the Senior Humboldt Prize, 2006 MRS Medal, Scientific American 50 recognition in 2006, RPI Senior Research Award (2003), the Burton Award from the Microscopic Society of America (1997) and the Hadfield Medal for the Outstanding Metallurgist in India (1985). He has been elected as a fellow of AAAS and to the Mexican Academy of Sciences. He is on the advisory editorial board of several materials science and nanotechnology journals and on the boards of several nanotech companies.