Harold Lionel Kenmore, known as Harry, was born on 10 February 1910. As a boy he was a top student and an athlete, and something of a performer, with a few stand-in roles in the Our Gang comedies. At sixteen he lost his sight, and he was also hard of hearing. After a long and difficult search for a way to live with these disabilities, he became a chiropractor and practised in New York City. He was a seeker of Truth who studied the Bible deeply, listening to it on tapes.

In 1954 one of his patients, Adele Wolkin, read him some of Meher Baba's Discourses. Drawn to the words, Kenmore tried to learn everything he could about their author and met Enid Corfe and Margaret Craske. In July 1956 he met Baba personally at the Delmonico Hotel in New York and travelled with Baba's group to the Meher Center at Myrtle Beach. There Baba kept a promise and let the blind chiropractor feel his face with his hands. Lord Meher says that although he was blind, his heart received the brilliance of Baba's love.

Baba's hip had been badly injured in a car accident near Satara in December 1956. In 1957 Adele Wolkin suggested Kenmore to Goher, and Kenmore himself wrote offering his services. Baba called him to India by telegram. He reached Meherazad with Meherjee on 5 November 1957 and stayed until 5 December, treating Baba on his own folding table for an hour every morning and every evening. Baba praised both his love and his skill as a doctor, and said that thanks to him he could stand erect with good posture for the first time since the accident. Baba also decided, partly on Kenmore's medical advice, against a combined East-West sahavas in India.

Baba often asked Kenmore to recite the Master's Prayer and the Prayer of Repentance before him, and he always prayed in a booming voice. He recited them at the 1958 Myrtle Beach sahavas, at Meherazad and Guruprasad, and at the 1962 East-West Gathering in Poona. In 1959 Baba said, "Harry Kenmore recites this prayer the best before me," and when visitors found his voice too loud, Baba said that for Harry it was natural to pray loudly.

After leaving America in 1958, Baba wrote to him, "You are one of my mandali." From 1 September to 4 November 1959 Kenmore stayed at Meherazad, in the cottage opposite the main house. He walked with Pukar in the mornings and Padri in the evenings, took Polaroid photographs, and kept his tape recorder, which Baba called "Harry's baby," always at his side. He sang songs Baba liked and told jokes that made Baba laugh. One afternoon after his adjustments, Baba said it was the first time there was not the slightest pain. Baba composed several poems for him, saying he had never composed a poem for anyone before, and sent him back to America as a torchbearer of his message of Love and Truth. It was also Kenmore who suggested a stone and cement floor for mandali hall so that Baba could walk more, and the floor was laid in 1960.

Through the 1960s he kept returning to India for short visits. In 1961 he turned up unannounced in the darshan queue at Guruprasad and called out, "I have come to see my Beloved Pop!" He came again in 1962, 1963, 1964, 1965 and 1966. In New York he worked to spread Baba's name. In 1965 he organised a charter flight for a December sahavas, which Baba then cancelled. On 7 June 1966 Baba told him to hold two public celebrations in New York every year, one for Baba's Birthday and one for Silence Day. As chairman of The Society for Avatar Meher Baba he held them at the Barbizon Plaza Hotel, and in 1967 had the birthday program broadcast by shortwave to 125 countries. Baba cabled back his love and blessing to "my dear son."

In October 1968 Baba cabled him, "Come as mandali, live as mandali in my love." He stayed at Meherazad from 1 to 8 November, and Baba told him that he was one of the mandali and would be permitted to live at Meherazad permanently from the following July, and that he should come then without waiting to be called. In his letter of thanks Kenmore called Meherazad the only place on Earth he really felt to be "home." Baba dropped his body on 31 January 1969. Kenmore reached Meherabad within days, and at noon on 7 February he recited the Master's Prayer just before Baba's body was interred. As Baba had invited him, he returned on 27 July 1969 and spent a month at Meherazad.

Back in New York he led the Society's meetings and gave talks in several cities, some of which were printed in its newsletter The Way and the Goal. He died on 13 May 1971 of liver and pancreatic cancer. The Society's newsletter announced that, by Meher Baba's order, his remains would be sent to India and the bulk of his estate would go to the Avatar Meher Baba Trust. His story and talks were later gathered by Larry and Rita Karrasch in the books Harry (2017) and Talks by Harry (2023).