This photo is of a crowd of people at an evangelistic meeting put on by the Gospel Messengers' Quartet. The event was held at the Swift Current Civic Centre and led by evangelist Rudy Boschman.

This photo is of the Messengers' Quartet singing around a piano. Pictured are (l-r) John Block, Walter Janzen, Menno Kroeker, Abe Block, and Ron Carleton at the piano.

This photo is of Rudy Boschman with the Messengers' Quartet gathered around a piano. Picture are (l-r) Rudy Boschman, Ron Carleton, John Block, Walter Janzen, Menno Kroeker, and Abe Block.

This photo is of the Messengers Quartet gathered around a piano. Pictured are (l-r) John Block, Rudy Voth, Menno Kroeker, Elmer Dyck, Rudy Boschman, and Al Voth (front). (The photo was taken at a crusade put on by Boschman and the Messengers?].

This is a promotional studio photo of the Messengers' Quartet, dated 1956. Standing (l-r) is John Block, Menno Kroeker, and Peter Block. Sitting is Rudy Voth.

This photo shows the Messengers' Quartet in Europe. They were invited to travel for 9 weeks on a music ministry assignment with GEM (Greater Europe Mission), July-August, 1958. Standing are (l-r) John Block, Peter Block, Menno Kroeker, and Rudy Voth.

This image is a promotional photograph of the Gospel Messengers Quartet in 1967 (l-r): Menno Kroeker, Al Voth (pianist), Norm Bennet, John Block, and Rudy Voth.

This is a promotional image of the Messengers' Quartet in the late 1970s. Pictured are (l-r) Neil Block, Murray Unruh, John Block, Al Voth, and Al Braun.

This is a promotional image of the Messengers' Quartet during their period of singing with the Global Outreach Mission (through to 1982). Pictured are (l-r) Neale Unruh, John Block, Al Voth, Blair Mills, and Karl Bartel.

This is a photo of the Messengers' Quartet singing at the 75th anniversary event at Odosagih Bible Conference (Machias, New York). Pictured are (l-r) John Block, Bert Warkentin, Menno Kroeker, and Abe Block.

This is a promotional image of the Gospel Messengers" Quartet standing in front of their touring bus. Pictured are (l-r) Rudy Boschman (evangelist), Ron Carleton, Menno Kroeker, Abe Block, John Block, and Bill Schroeder.

This is a promotional studio photo of the Messengers' Quartet from the mid-1960s. Pictured are (l-r) Peter Block, John Block, Rudy Voth, and Menno Kroeker.

This photo is of Rudy Boschman (right) at the mic. during a Gospel Messengers' Quartet evangelistic meeting held at the Swift Current Civic Centre Auditorium. Menno Kroeker, Elmer Dyck, and Ike Bergen (l-r) are seated on the stage.

This is a promotional image of the Gospel Messengers in their last phase (through to 1982), working with evangelist Art Larson and Global Outreach Mission: "serving the Lord in revival evangelism." Picture are (l-r) John Block, Al Braun, Al Voth, evangelist Art Larson, Murray Unruh, and Neil Block.