He married in his early twenties supporting his young family with a variety of jobs ending up with a position in commercial advertising.
In the 1950s, Gladstone was exhibited by Toronto gallery owner Av Isaacs along with artists such as Michael Snow, Gordon Rayner, Graham Coughtry, and Tony Urquhart.
The relationship between Gerald Gladstone and Buckminster Fuller's shared interests provided a solid foundation for their strong friendship.
The mid-1960s were a period of intense creativity and innovation in the arts and sciences, and cities like Toronto, New York, Chicago, Los Angeles, and Montreal, were vibrant hubs of activity.
Fuller's futurist thinking and focus on the intersection of art and science resonated with Gladstone's own explorations of astrophysics and universal structures in his work.
This connection between Gladstone and Fuller further underscores the interconnectedness of the arts and sciences and the important role of interdisciplinary friendships in fostering innovation and creativity.