He researched on aerospace for four decades with NASA, United Technology, and Alstom, a French power generation company.

[citation needed] In 1964, he accepted a scholarship to study at the University of Oxford and received his PhD degree in chemistry in 1968.

[citation needed] Following his PhD, Khan returned to the Chemistry department of DU as an associate professor and worked there until 1973.

For Khan's outstanding research and its application in aerospace, he received numerous prestigious awards from NASA, the US Air Force, United Technology, and Alstom.

[citation needed] Some of his important awards and recognitions include: During his retired life, Khan was conducting research as an honorary professor at the Department of Mechanical Engineering at Florida State University.