A Gospel harmony is an attempt to merge or harmonize the canonical gospels of the Four Evangelists into a single gospel account. Harmonies are constructed and studied by scholars to establish a chronology for the events of the life of Jesus depicted in the four canonical gospels to better understand how the accounts relate to each other, or to establish events in the life of Jesus.
The terms harmony and synopsis have been used to refer to approaches that aim to achieve Gospel harmony, although they are different approaches. Technically, a "harmony" weaves together sections of scripture into a merged narrative, merging the four Gospels, while a "synopsis" uses a tabular format with one column for each gospel.
The earliest known harmony is the Diatessaron by Tatian in the 2nd century and variations based on the Diatessaron continued to appear in the Middle Ages. The 16th century witnessed a major increase in the introduction of Gospel harmonies and the parallel column structure became widespread. At this time visual representations also started appearing, depicting the Life of Christ in terms of a "pictorial gospel harmony", and the trend continued into the 19th-20th centuries.
The gospels accounts show a great deal of overall similarity, but the scholarly process for constructing a detailed harmony is complicated and specific issues at times resist distillation into a single harmonized chronology, as the variety of readings that appear in multiple harmony efforts attest. However, the construction of harmonies remains an important element of biblical study and helps gain a better understanding of the Gospel accounts of the life of Jesus.
A 'Gospel harmony is an attempt to merge or harmonize the canonical gospels of the Four Evangelists into a single gospel account. Gospel harmonies are constructed and studied by scholars to establish a chronology for the events of the life of Jesus depicted in the four canonical gospels to better understand how the accounts relate to each other, or to establish events in the life of Jesus.
The terms harmony and synopsis have been used to refer to approaches that aim to achieve Gospel harmony, although they are different approaches. Technically, a "harmony" weaves together sections of scripture into a narrative, merging the four Gospels. There are four main types of harmony: radical, synthetic, sequential and parallel. A "synopsis", much like a parallel harmony focuses on key events and brings together similar texts or accounts in parallel format, usually in columns. Harmonies may also have a visual form and be undertaken to create narratives for artistic purposes, as in the creation of picture compositions depicting the Life of Christ.
To illustrate the concept of parallel harmony, a simple example of a "synopsis fragment" is shown here, consisting of just four episodes from the Passion. A more comprehensive parallel harmony appears in a section below.
Unlike the example above, a textual approach to harmony does not use tables and columns but combines the verses in the gospels into a merged narrative, producing a piece of text longer than any individual gospel.
The gospels accounts show a great deal of overall similarity, but the scholarly process for constructing a detailed harmony is complicated by issues of text or the uniqueness of material in each Gospel. Specific issues at times resists distillation into a single harmonized chronology, as the variety of readings that appear in multiple harmony efforts attests. An example is determining whether Jesus cursed the fig tree before or after the Cleansing of the Temple. However, the construction of harmonies remains an important element of biblical study and to gain a better understanding of the Gospel accounts of the life of Jesus.
Early Church and Middle Ages
Tatian's influential Diatessaron harmony which dates to about AD 160 was perhaps the very first harmony. The Diatessaron reduced the number of verses in the four gospels from 3,780 to 2,769 without missing any event of teaching in the life of Jesus from any of the gospels.
Variations based on the Diatessaron continued to appear in the Middle Ages, e.g. Codex Sangallensis (based on the 6th century Codex Fuldensis) dates to 830 and has a Latin column based on the Vulgate and an Old High German column that often resembles the Diatessaron, although errors frequently appear within it. The Liege harmony in the Limberg dialect (Liege University library item 437) is a key Western source of the Diatessaron and dates to 1280, although published much later. The two extant recensions of the Diatessaron in Medieval Italian are the single manuscript Venetian from the 13th or 14th century and the 26 manuscript Tuscan from the 14-15th century.
In the 3rd century Ammonius of Alexandria developed the forerunner of modern synopsis (perhaps based on the Diatessaron) as the Ammonian Sections in which he started with the text of Matthew and copied along parallel events. There are no extant copies of the harmony of Ammonius and it is only known from a single reference in the letter of Eusebius to Carpianus. In the letter Eusebius also discusses his own approach, i.e. the Eusebian Canons in which the texts of the gospels are shown in parallel to help comparison among the four gospels.
In the 5th century, Saint Augustine wrote extensively on the subject in his book Harmony of the Gospels. Augustine viewed the variations in the gospel accounts in terms of the different focuses of the authors on Jesus: Matthew on royalty, Mark on humanity, Luke on priesthood and John on divinity.
No major advances in Gospel harmony beyond Augustine emerged in the Middle Ages until the 15th century. However, throughout the Middle Ages harmonies based on the principles of the Diatessaron continued to appear, e.g. the Liege harmony by Plooij in Middle Dutch, and the Pepysian harmony in Middle English. The Pepysian harmony (Magdalene college, Cambridge, item Pepys 2498) dates to about 1400 and its name derives from having been owned by Samuel Pepys.
In the 15th and the 16th centuries some new approaches to harmony began to appear, e.g. Jean Gerson produced a harmony which gave priority to the Gospel of John. On the other hand John Calvin's approach focused on the three synoptic Gospels, and excluded the Gospel of John. 
By this time visual representations had also started appearing, for instance the 15th century artist Lieven de Witte produced a set of about 200 woodcut images that depicted the Life of Christ in terms of a "pictorial gospel harmony" which then appeared in Willem van Branteghem's harmony published in Antwerp in 1537. The importance of imagery is reflected in the title of Branteghem's well known work: The Life of Jesus Christ Skillfully Portrayed in Elegant Pictures Drawn from the Narratives of the Four Evangelists
The 16th century witnessed a major increase in the introduction of Gospel harmonies. In this period the parallel column structure became widespread, partly in response to the rise in biblical criticism. This new format was used to emphasize the trustworthiness of the Gospels. It is not clear who produced the very first parallel harmony, but Gerhard Mercator's 1569 system is a well-known example. In terms of content and quality, Johann Jacob Griesbach's 1776 synopsis was a notable case.
W. G. Rushbrooke's 1880 Synopticon is at times considered a turning point in the history of the synopsis, for it was based on Markan priority, i.e. giving priority to the Gospel of Mark. Thirteen years later, John Broadus used historical accounts to assign priorities in his harmony, while previous approaches had used feasts as the major milestones for dividing the life of Christ.
Towards the end of the 19th century, after extensive travels ans study in the Middle East, James Tissot produced a set of 350 watercolors which depicted the life of Christ as a visual Gospel harmony.
In the 20th century, the Synopsis of the Four Gospels by Kurt Aland came to be seen by some as "perhaps the standard for an in-depth study of the Gospels." A key feature of Aland's work is the incorporation of the full text of the Gospel of John. John Bernard Orchard's synopsis (which has the same title) was of note in that it took the unusual approach of abandoned Markan priority and considers the synopics to be written in this order: Matthew, Luke, Mark.
A parallel harmony presentation
- For a visual representation of the events, please see: Gospel harmony gallery
The following table, mainly events for which there is also a Wikipedia article, is an example of a parallel harmony, based on the list of key episodes in the Canonical Gospels. The order of events, especially during the ministry period, has been the subject of speculation and scholarly debate. While this harmony compares the work of several scholars, other harmonies may differ substantially on the placement of some events. The episode structure within the table is based on Edward Robinson's A Harmony of the Gospels in Greek as well as Steven L. Cox and Kendell H Easley's Harmony of the Gospels.
- Chronology of Jesus
- Jefferson Bible
- Life of Christ
- Life of Jesus in the New Testament
- List of key episodes in the Canonical Gospels
- List of New Testament stories
- Ministry of Jesus
- Timeline of the Bible
- Orville Daniel: A Harmony of the Four Gospels, 2nd Ed, Baker Books Pub.
- R. Thomas & S. Gundry: The NIV Harmony of the Gospels, HarperCollins Pub.
- Edward Robinson: A Harmony of the Gospels in Greek, Revised Ed, pub. by Crocker & Brewster
- Henry Rutter, Evangelical harmony Keating and Brown, London 1803.
- Steven L. Cox, Kendell H Easley, 2007 Harmony of the Gospels ISBN 0-8054-9444-8
- This article incorporates work from A Harmony of the Gospels in Greek by Edward Robinson, a publication now in the public domain.
- The Westminster Dictionary of New Testament and Early Christian Literature by David Edward Aune (Nov 30, 2003) ISBN 0664219179 page 190
- Steven L. Cox, 2007 Harmony of the Gospels B&H Publishing ISBN 0-8054-9444-8 pages 3-4
- Steven L. Cox, 2007 Harmony of the Gospels B&H Publishing ISBN 0-8054-9444-8 page 18
- Tatian and the Jewish Scriptures by Robert F. Shedinger (Jan 1, 2002) ISBN 9042910429 pages 28-32
- Steven L. Cox, Kendell H Easley, 2007 Harmony of the Gospels ISBN 0-8054-9444-8 pages 6-8
- Seeing Beyond the Word: Visual Arts and the Calvinist Tradition by Paul Corby Finney 1999 ISBN 080283860X page 389
- James Tissot: the Life of Christ : the complete set of 350 watercolors by Judith F. Dolkart, James Jacques 2009 ISBN 0872731642 pages 70-71
- Steven L. Cox, Kendell H Easley, 2007 Harmony of the Gospels ISBN 0-8054-9444-8 pages 207-211
- The Westminster Dictionary of New Testament and Early Christian Literature by David Edward Aune (Nov 30, 2003) ISBN 0664219179 pages 127 and 211
- Patristic and Text-Critical Studies by Jan Krans and Joseph Verheyden (Dec 31, 2011) ISBN 9004192891 pages 188-190
- Encyclopedia Christianity: v. 4 by Erwin Fahlbusch (1 Jul 2004) ISBN 0802824161 page 41
- Augustine through the ages: an encyclopedia by John C. Cavadini 1999 ISBN 0-8028-3843-X page 132
- Christology, Controversy and Community by David G. Horell and Christopher M. Tuckett (8 Aug 2000) ISBN 9004116796 pages 37-40
- The Authority of the Word: Reflecting on Image and Text in Northern Europe, 1400-1700 by Celeste Brusati, Karl A. E. Enenkel and Walter S. Melion (Nov 2011) ISBN 9004215158 pages 2-6
- John Calvin And the Printed Book by Jean François Gilmont (Nov 30, 2005) ISBN 1931112568 page 50
- A Harmony of the Gospels: Matthew, Mark, and Luke by John Calvin, David W. Torrance,(Jul 17, 1995) ISBN 0802808026
- What Have They Done to the Bible?: A History of Modern Biblical Interpretation by John Sandys-Wunsch (20 Aug 2005) ISBN 0814650287 page 35
- Kurt Aland, 1982 Synopsis of the Four Gospels United Bible Societies ISBN 0-8267-0500-6
- John Bernard Orchard, 1983 Synopsis of the Four Gospels T&T Clark Publishers ISBN 0-567-09331-X
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- Augustine's Harmony of the Gospels
- Parallel Gospels in Harmony Online version of Parallel Gospels in Harmony: with Study Guide, by David A. Reed, a public domain book
- Complete Gospel texts, shown in four parallel columns, but not a harmony