Has this appeared before? In the New York Times Almanac, under Mathematics, for Year 2004, it reported that Ben Green (UBC) and Terence Tao (UCLA) proved that for any positive integer n, there are infinitely many n term arithmetic progressions consisted of prime numbers.

Ben Green was a silver medalist in the 1994, 1995 IMO for UK and Terrence Tao was a gold medalist in 1988 IMO for Australia.