Harold Armstrong Baker (1881–1971), known as H.A. Baker, was an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 author and Pentecostal missionary

Mission (Christian)

Christian missionary activities often involve sending individuals and groups , to foreign countries and to places in their own homeland. This has frequently involved not only evangelization , but also humanitarian work, especially among the poor and disadvantaged...

 to Tibet

Tibet

Tibet is a plateau region in Asia, north-east of the Himalayas. It is the traditional homeland of the Tibetan people as well as some other ethnic groups such as Monpas, Qiang, and Lhobas, and is now also inhabited by considerable numbers of Han and Hui people...

 from 1911 to 1919, to China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 from 1919 to 1950, when forced to leave the mainland, and then in Taiwan

Taiwan

Taiwan , also known, especially in the past, as Formosa , is the largest island of the same-named island group of East Asia in the western Pacific Ocean and located off the southeastern coast of mainland China. The island forms over 99% of the current territory of the Republic of China following...

 from 1955 until his death in 1971.

With his wife and co-worker Josephine, Pastor Baker began the Adullam Rescue Mission for street children in Yunnan Province, China. The children in the home, mostly boys aged from six to eighteen, began to have spiritual experiences, claiming to have seen Heaven

Heaven

Heaven, the Heavens or Seven Heavens, is a common religious cosmological or metaphysical term for the physical or transcendent place from which heavenly beings originate, are enthroned or inhabit...

 through a series of visions. These visions were recounted in Baker's book Visions Beyond the Veil.

He was also the author of Heaven and the Angels, Plains of Glory and Gloom, The Three Worlds, Tribulation to Glory, Through Tribulation, Visions Beyond The Veil, and other books.

H.A. Baker and his wife were the grandparents of Rolland Baker, founder with his wife Heidi Baker

Heidi Baker

Heidi Baker is a Christian missionary and with her husband Rolland co-founder of IRIS Ministries and the author of several books.With her husband Rolland, Heidi founded IRIS Ministries in 1980, a non-profit Christian ministry dedicated to Jesus and service, especially among the poor...

 of IRIS Ministries in Mozambique

Mozambique

Mozambique, officially the Republic of Mozambique , is a country in southeastern Africa bordered by the Indian Ocean to the east, Tanzania to the north, Malawi and Zambia to the northwest, Zimbabwe to the west and Swaziland and South Africa to the southwest...

.

Books written by Baker include

• Baker, H.A. They Saw Hell. Minneapolis: The Osterhus Publishing House, 1950's.
• Baker, H.A. Visions Beyond The Veil. Minneapolis: Osterhus Publishing House, 1950. 122 pp. ISBN 9781852402785
• Baker, H.A. Heaven and the Angels. Minneapolis: The Osterhus Publishing House, 1950's, 262 pp.
• Baker, H.A. Plains of Glory and Gloom. Minneapolis: The Osterhus Publishing House, 1950's.
• Baker, H.A. Heaven and the Angels. New Wine Press, 2009, 160 pp. ISBN 9781905991334
• Baker, H.A. The Three Worlds. Minneapolis: The Osterhus Publishing House, 1950's.
• Baker, H.A. Through Tribulation. Minneapolis: Calvary Books And Tracts, 1960's.
• Baker, H.A. God in Ka Do Land. Iris Ministries (original publisher not known, re-published posthumously, 2008, available as a PDF from Iris Ministries web at the bottom of the main page)
• Baker, H.A. Under His Wings (autobiography). Iris Ministries (original publisher not known, re-published posthumously, 2008, available as a PDF from Iris Ministries web at the bottom of the main page)