He founded the Lope de Vega Institute in 1962 and remained at its head until 1998. He thus strove to share his passion for Hispanic culture and to promote the Spanish language in Haiti.
The Lope de Vega Institute has allowed many Haitian executives to discover Latin American and Spanish cultures through cultural exchanges, among others. At the same time, Mr. Louis G. Lamothe made a significant contribution to the promotion of Haitian culture in Bolivia and Suriname, and was a member of the consular corps of Suriname until his death in 1999.
During his career, he has received several prestigious distinctions, among which: Cabarello de la Orden by Isabel la Católica (Madrid, July 1975). Honor and merit of the Orden Mexicana del derecho y de la cultura (Mexico, May 1964).