He was born on a farm in a village just outside Aarhus i Denmark, my hometown, in 1890. By a series of strange events he ended up in a cave in Indian Himalaya, where he as a Sadhu lived in solitude, meditated and received guest. In 1973 Sunyata met with people from the Allan Watts Society who asked him to come to California, though he insisted that he had nothing to teach or sell. He went and spent his last years in the US, where he held weekly sessions for the public. Read the Wikipedia article about him here.
Sunyata met with Gandhi, Ramana Maharshi, Anandamayee Ma, Yashoda Ma (Mirtola), Swami Ramdas and Neem Karoli Baba. He died in a car accident in California in 1984. There is a couple of books about Sunyata out there. They are all based on this raw 486 typewritten manuscript. The document is unfortunately in a very bad shape and it is more than 92 Mb. It is only here for the nerds, preservation and scientific reference:
For a more readable version choose this carefully retyped version:
This stone was raised in the arboretum in the hometown of Sunyata. It has the Danish inscription: “Stilhed er det virkeliges sprog” meaning:
“Silence is the language of Reality”