[4] In 1950 actor Edward G. Robinson, his wife Gladys Lloydand Robison (art collector and a painter) and Sir Anson Goodyear (one of the founders of the Museum of Modern Art in New York) were invited by their friend and politician Thami El Glaoui to Marrakesh.
Impressed by the talent of the young artist, they convinced the Pacha to let him present in Paris and New York in 1951 for the first time alongside Gladys Lloydand Robison's paintings.
Beginning in the early 1950s, El Glaoui trained in Paris at the École des Beaux-Arts under Jean Souverbie and Émilie Charmy.
During his time in Paris he mastered drawing and oil paintings and was the first Moroccan artist to study art abroad.
During a stay in Marrakech on May 1, 1957, he was kidnapped with three of his brothers by (a priori uncontrolled elements of Istiqlal), and remained detained for more than 18 months in different locations.
The artist was widely exhibited in Europe and the United States, among other places at the time, and his work auctioned by Sotheby's and Christie's.
Among the record-breaking works was La Sortie du Roi by Hassan El Glaoui, which sold for 137.500 £.