Sardar Mohammad Khan

It has been written with a scholarly approach, and besides giving meanings and explanations of Punjabi words in Urdu, it also explains idioms, riddles, children's games, traditions, customs and religious terms. His love for dictionaries was evident from the fact that he remembered all the contents of Oxford Dictionary. He said, "it is the spelling that makes a dictionary: the pronunciation can differ from Peshawar to Sindh, but once you agree on a spelling, one word shall suffice for all". This Punjabi-Urdu dictionary has been proven to be the most detailed and authoritative on the subject as of 2015.

Sardar Muhammad Khan gave fifty years of his life to writing the largest Punjabi-Urdu dictionary in the history of Punjabi language. This dictionary, which has been published by the Pakistan Academy of Letters along with Punjabi Adbi Board in 2009, consists of two volumes of more than 3500 pages each.

He was born in a Pathan family at Basti Danishmandan (Jalandhar). After doing his secondary and higher secondary education, he did his B.A degree from the University of the Punjab, Lahore in 1934. He joined united Indian Army as a civilian employee and retired as a civilian gazetted officer from the Pakistan Army General Headquarters (G.H.Q.), Rawalpindi in 1969. Being a government servant, under the rules, he could not publish any book until his retirement.

Sardar Mohammad Khan (1 January 1915 – 26 May 1998), also known as "SMK", was a Pakistani researcher of linguistics.