Dr. Krishnan K. Sankaran is an Adjunct Instructor in the Department of Mechanical Engineering and Materials Science, Washington University in St. Louis, where he teaches a graduate level course titled “Metallurgy and Design of Alloys?. Dr. Sankaran specializes in aerospace materials and processes and retired as a Senior Technical Fellow from The Boeing Company in 2014. He received his Ph.D. in Metallurgy from the Massachusetts Institute of Technology in 1978. He has many publications and US and European patents. He has been an adjunct professor of materials science and engineering at the Missouri Institute of Science & Technology, Rolla, MO. He was a member of the Research Board and the Council of The Welding Institute, UK. He is a Fellow of the Academy of Science of St. Louis and a member of AIAA, ASM and TMS. In 2012, he was elected as Honorary Member of the Indian Institute of Metals for his distinguished services and significant contributions to the metallurgical profession and research.