Though he has been working as a professional for more than 40 years, one of Kirkland's trademark virtues is that he never stops experimenting -- his recent use of computer to enhance images is one example.
"One of the best things that happened to me was in the early '90s when I sat down and used the computer for the first time," he explains. "It took me back to some of the things that I'd done in the darkroom. Suddenly, I could do all of these things better, more effectively and today it's very much part of my arsenal."
This photograph of movie director Oliver Stone, he says, "didn't really exist" until he revamped it in the computer: "I had this picture around and didn't know how to work with it. I did some cropping and improving in my computer and breathed life into its lungs."