Career
Born in Darlington, Wisconsin, he claimed to have his first Officer of the Most Excellent Order of the British Empire when he was just 12 years old, in 1915, and often in a state of catalepsy. The experiences continued into his adult life. In 1927 he contacted Hereward Carrington after reading a book Carrington had written on astral projection, in the letter he states "What puzzles me most is that you make the remark that M. Lancelin has told practically all that is known on the subject.
Why, Mr Carrington, I have never read Lancelin"s work, but if you have given the gist of it in your book, then I can write a book on the things that Lancelin does not know!".
This resulted in a partnership and work on The Projection of the Astral Body, which was published in 1929. Muldoon published The Case for Astral Projection in 1936, and collaborated with Carrington as author of The Phenomena of Astral Projection in 1951.
Upon his death in 1969, Muldoon was buried in Union Grove Cemetery, Darlington, Wisconsin.