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Calvary Hour Records


Scope and Contents

Biographical Note

Administrative Information

Detailed Description


Publications and Publicity

Administrative Files


Sound Recordings

Radio Show "Formats"

Contact us about this collection

Calvary Hour Records, 1935-2007 | Mennonite Church USA Archives

By Colleen McFarland

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Collection Overview

Title: Calvary Hour Records, 1935-2007Add to your cart.

ID: HM1/956

Primary Creator: Calvary Hour

Other Creators: Detweiler, Bill (1929-), Detweiler, Bob (1929-1989), Detweiler, William G. (1903-1956)

Extent: 71.5 Linear Feet

Arrangement: By series.

Subjects: Evangelistic work, Mennonite Church - Clergy, Radio in religion, Religious broadcasting

Forms of Material: Audiocassettes, Audio tape reels, Compact discs, Phonograph record, 78 rpm, Photographs, Sermons

Languages: English

Scope and Contents of the Materials

The Calvary Hour Records are divided into six series:

(1) Sermons, 1940-2002

(2) Publications and Publicity, 1935-2007

(3) Administrative Files, 1937-2007

(4) Photographs, Circa 1935-2002

(5) Sound Recordings, 1953-2007

(6) Radio Show "Formats," Circa 1965-2000

Biographical Note

The Calvary Hour was a Mennonite radio show founded in 1936 by William G. Detweiler of Canton, Ohio.  Detweiler, the pastor of the Canton, Ohio, Mennonite Church sought a means by which to share the gospel with unbelievers and non-church goers.  Detweiler embraced radio broadcasting as the solution.  Because radio technology was still relatively new and "worldly," his decision to preach the Mennonite faith via radio was met with some disapproval in Mennonite circles.

The earliest broadcasts were titled "The Mennonite Hour," but at the Church's request, Detweiler soon changed the program's name to the Calvary Hour.  The weekly broadcasts featured religious music, prayer, and a sermon.

After William G. Detweiler's sudden death in 1956, his twin sons, Bill and Bob Detweiler continued the Calvary Hour together until 1989. In 1989, Bob Detweiler passed away, and his brother Bill continued broadcasting until 2007.

Subject/Index Terms

Evangelistic work
Mennonite Church - Clergy
Radio in religion
Religious broadcasting

Administrative Information

Repository: Mennonite Church USA Archives

Access Restrictions: This collection is open to the public.

Use Restrictions: Researchers are responsible for using in accordance with 17 U.S.C. Copyright not owned by the Mennonite Church USA Archives.

Physical Access Note:

Researchers should contact the archives in advance to make arrangements to access the sound recordings in this collection.


Acquisition Source: Margaret Detweiler, Ruth Detweiler, Bob Detweiler, and Bill Detweiler

Original/Copies Note: Digital copies of selected photographs from the collection are available online. For more information please see

Related Materials:

The following collections are housed at the Mennonite Church USA Archives - Goshen:

William G. Detweiler Papers, 1919-1955. HM1-957

Bob Detweiler Papers, 1951-1990. HM1-958

Bill Detweiler Papers, 1951-2005. HM1-959

Preferred Citation: Calvary Hour Records, 1935-2007. HM1-956.  Mennonite Church USA Archives. Elkhart, Indiana

Processing Information: Processed by Dennis Stoesz and Colleen McFarland

Box and Folder Listing

Browse by Series:

[Series 1: Sermons, 1940-2002],
[Series 2: Publications and Publicity, 1935-2007],
[Series 3: Administrative Files, 1937-2007],
[Series 4: Photographs, Circa 1935-2002],
[Series 5: Sound Recordings, 1953-2007],
[Series 6: Radio Show "Formats", circa 1965-2000],

Series 4: Photographs, Circa 1935-2002Add to your cart.
Photographs of William Detweiler, Anna Detweiler, Bill Detweiler, Bob Detweiler, Calvary Hour musicians (including The Amstutz Sisters), and the recording studio.
Box 5Add to your cart.
Folder 25: Bill and Bob Detweiler as Children, Circa 1935Add to your cart.
Folder 26: Bill and Bob Detweiler Camp Photos, 1956, 1958, 1960Add to your cart.
Folder 27: Family photos, 1965-1985Add to your cart.
Folder 28: General Convention, 1965Add to your cart.
Folder 29: Bill and Bob Detweiler, 1974Add to your cart.
Folder 30: Bob and Bill Detweiler, UndatedAdd to your cart.
Folder 31: Churches (Martins, Kidron, Yellow Creek, Pleasant Hill), UndatedAdd to your cart.
Folder 32: William and Anna Detweiler, Circa 1940, 1950Add to your cart.
Folder 33: William Detweiler, Circa 1950-1955Add to your cart.
Folder 34: Anna Detweiler, Circa 1960Add to your cart.
Folder 35: Bob and Bill Detweiler, UndatedAdd to your cart.
Folder 36: The Calvary Hour Annual Meeting, 1977Add to your cart.
Folder 37: Broadcasting Studio, Undated, Circa 1958Add to your cart.
Folder 38: Calvary Hour Musicians and Staff, Circa 1950-1980Add to your cart.
Folder 39: Miscellaneous Photographs, UndatedAdd to your cart.

Browse by Series:

[Series 1: Sermons, 1940-2002],
[Series 2: Publications and Publicity, 1935-2007],
[Series 3: Administrative Files, 1937-2007],
[Series 4: Photographs, Circa 1935-2002],
[Series 5: Sound Recordings, 1953-2007],
[Series 6: Radio Show "Formats", circa 1965-2000],

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