# Chad Mirkin

Chad Alexander Mirkin (born November 23, 1963) is an American chemist. He is the George B. Rathmann professor of chemistry, professor of medicine, professor of materials science and engineering, professor of biomedical engineering, and professor of chemical and biological engineering, and director of the International Institute for Nanotechnology and Center for Nanofabrication and Molecular Self-Assembly at Northwestern University.Mirkin is known for his development of nanoparticle-based biodetection schemes, the invention of dip-pen nanolithography (recognized by National Geographic as one of the top 100 scientific discoveries that changed the world), and contributions to supramolecular chemistry, nanoelectronics, and nanooptics. In 2010, he was listed as the most cited chemist in the world over the last decade in terms of total citations, the second highest most cited chemist in terms of impact factor, and the top most cited nanomedicine researcher.