Louis George Alexander

Louis George Alexander (15 January 1932 – 17 June 2002) (commonly referred to as L. G. Alexander) was a British teacher and the author of numerous EFL course books, including ''New Concept English''.

In 1977, he sold 4.7m books, which was recorded in the ''Guinness Book of Records'' as the greatest number of copies sold by an individual author in one year (1977). Provided by Wikipedia