
Doctors at Phramongkutklao hospital said he had been ill for some time and succumbed to a brain haemorrhage.
Pichai graduated from Chulalongkorn University's Architecture Faculty in 1929 and in later years worked at Bang Khun Prom Channel 4 where he was a director of the arts division.
In 1969 he was a narrator for the live broadcast when American astronaut Neil Armstrong set foot on the moon.
Pichai authored several successful books such as The Art of War, Beside Bed, Beside Kitchen, Apollo on the Moon, and Global Specimen.
His funeral ceremony will be held on April 10.