William John Thompson was not as widely recognized as some of his contemporaries, and as such, detailed information about his life and works might not be as readily available as for other, more famous artists. However, given the birth and death years you provided, we can infer that he would have been active during a period that saw dramatic changes in the art world, including the rise of abstract expressionism, pop art, and various postmodern movements.
Thompson would have been in his late twenties during the 1950s, a time when abstract expressionism was at its peak in the United States, with figures like Jackson Pollock and Willem de Kooning leading the way. If he were influenced by this movement, his works from this era might include bold, gestural brushwork and an emphasis on the canvas as an arena to act upon rather than a space to depict a recognisable scene.
Moving into the 1960s and 1970s, Thompson might have experienced the emergence of pop art, with artists like Andy Warhol and Roy Lichtenstein challenging traditional distinctions between high and low culture. If Thompson's work was impacted by these shifts, it could exhibit a more ironic or satirical take on consumerism and mass media.
By the 1980s, when Thompson would have been in his later years, the art world saw the rise of neo-expressionism and a return to more traditional painting techniques and subjects, often infused with a sense of urgency and raw emotion that might have resonated with the artist.
Without specific details about his oeuvre, it is difficult to provide a more comprehensive biography of William John Thompson. He might have been a local artist, a teacher, or someone who participated in the art world in a less public way. His works, depending on his style and the circles in which he moved, might be found in private collections, regional galleries, or could have been part of public art projects.
Overall, without more information, we can only speculate about the life and influence of William John Thompson in the art world. He may have been one of many artists whose contributions to art history are less documented and whose legacy rests in the more personal or communal impacts of their work.