From 1953-1959 he studied textiles at the Lithuanian Art Institute (now Vilnius Academy of Arts).
From 1978 he suffered from mental illness, and in 1980 he was transferred to the boarding house in Strunia.
In 1959, while travelling around Lithuania on foot, he created more than 230 drawings. He painted brightly coloured, stylistically eclectic paintings, including self-portraits ("Self-Portrait with a Pipe", 1973), landscapes ("Aukštakalnis", c. 1960), and a series of paintings of the same name.In 1980-2002, he painted mainly with felt-tip pens and watercolours ("Makar Chodra Returning Home", 1998), interiors ("Tamara's Room", 1959), and figurative compositions ("Aukštakalnis Rafaelis", 1965).1953-2002, he created the art object "Žaliasis sąsiuvinis" ("Green Notebook") (in which he pasted labels of various products of the Soviet period, press clippings, tickets, coins, lids of canning boxes, etc.; a book based on the facsimile was published in 2013.
The documentary film "Painter Algimantas Julijonas Stankevičius" (by Juozas Matonis, Vytautas Damaševičius, 2002) has been created.
