Richard Rose is often described as being a Zen master, although his inquiry is a lot more similar to Ramana Maharshi's method. The Zen part comes from his insistence on direct transmission. Rose lived in a Catholic seminary before becoming a scientist and working in various fields including physics and biology. In 1947 while meditating, he died and experienced at first everything and then nothing, and spent the rest of his life trying to get people to have the very same revelation. Richard Rose died in 2005 after struggling with Alzheimer's for several years.
Here are clips from what appears to be two lectures, totalling 24 minutes on the soul, the Absolute, and the ego, as well as becoming the Truth instead of just speculating on it.