Swapan K. Saha, formerly at the Indian Institute of Astrophysics, Bangalore, India, has a strong interest in experimental physics, optical interferometry in particular, and has developed various instruments. His research interests encompass observational astronomy, high-resolution imaging, aperture synthesis, adaptive optics, atmospheric sciences, and image processing. Author of several books and numerous research papers and articles, Prof. Saha is on the editorial boards of the Journal of Optics (Springer) and the Asian Journal of Physics and has edited a book, 21st Century Astrophysics, as well as a special issue of the Asian Journal of Physics on “Astrophysics” in 2004.