He was born on 3rd December 1922 in Unawatuna, Galle, and was 98 years old at the time of his death.
He was considered a veteran journalist, film critic, environmentalist, and teacher in Sri Lanka and he was fluent in both Sinhala and English languages.
As a senior journalist, Mr. Ariyadasa has won People’s Awards, Media Awards, National Awards, and many other awards.