Lionel Edward Dawson was a philatelist who won the Crawford Medal

Crawford Medal

The Crawford Medal is a vermeil medal awarded by the Royal Philatelic Society London for the most valuable and original contribution to the study and knowledge of philately published in book form during the relevant period....

 from the Royal Philatelic Society London for his work on the One Anna and Two Annas Postage Stamps of India, 1854-55. He was an expert on the stamps of India and the Feudatory States and signed the Roll of Distinguished Philatelists

Roll of Distinguished Philatelists

The Roll of Distinguished Philatelists is a philatelic award of international scale, created by the Philatelic Congress of Great Britain in 1921...

 in 1961.

Dawson was the Editor of the Philatelic Journal of India between 1934 and 1944. In 1954 he delivered a paper to The Royal on "The Locally Printed Stamps of Tibet, 1912-1953" which was subsequently printed in The London Philatelist

The London Philatelist

The London Philatelist was first published in January 1892 and is the journal of the Royal Philatelic Society London.It is published ten times annually and includes coverage of worldwide philatelic and postal history topics...

 and in 1955 he won the Tilleard Medal from the society for his display of Indian Feudatory States.

Publications

• The Postage Stamps of Jammu & Kashmir Simplified. Lahore: Philatelic Society of India, 1937. (With E.A. Smythies) Online excerpts.
• The One Anna & Two Annas Postage Stamps of India, 1854-55. Birmingham: H. Garratt-Adams & Co. for the Philatelic Society of India
  Philatelic Society of India
  The Philatelic Society of India was formed in 1897 by a group of, mainly, expatriate Englishmen resident in the country as the first all-India philatelic society...
  
  , 1948.
• The Postage Stamps of Nepal. New York: The Collectors Club, 1952. (With E.A. Smythies and H.D.S. Haverbeck)