As co-founder along with Madame Blavatsky they founded the Theosophical Society which is still going strong today and the launched it to advance the understanding of spiritual principles and the search for truth.
They arrived in Colombo,Sri Lanka in May 1880 and both took the 5 precepts at the Wijayananda Temple in Galle on May 19, 1880.
So important is this event believed to be in the westernization of Buddhism that the Sri Lankan government still honour his memory to this day and a statue was built to him outside Colombo's main railway station. He also created the multicoloured Buddhist flag. He died on February 17th 1907.