* Promoting Jamaican culture: Wallace was a strong advocate for the promotion of Jamaican culture and identity through theatre. He wrote plays that reflected the lives and experiences of Jamaicans and that celebrated Jamaican culture. His plays helped to shape a sense of national identity and to promote Jamaican culture on the international stage.
* Training actors and theatre professionals: Wallace was also a dedicated teacher and mentor. He taught acting and theatre at the University of the West Indies and at the Jamaican School of Drama. He helped to train a generation of Jamaican actors and theatre professionals, who went on to make significant contributions to the development of Jamaican theatre.
* Producing plays and directing: In addition to his work as an administrator, teacher, and advocate, Wallace was also a prolific playwright, director, and producer. He wrote over 50 plays, many of which were produced in Jamaica and around the world. His plays explored a wide range of themes, including Jamaican history, culture, and social issues. He also directed and produced many plays, including works by other Jamaican playwrights.
* Creating a legacy of Jamaican theatre: Through his work, Wallace left a lasting legacy on Jamaican theatre. He helped to establish a national theatre, to promote Jamaican culture, to train actors and theatre professionals, and to create a body of work that reflected Jamaican life and culture. His work has inspired generations of Jamaican actors, playwrights, and theatre professionals, and it continues to be celebrated and performed today.