American-Canadian historian and mapmaker (born 1970)
John C. Hamer (born 1970) is an American-Canadian historian and mapmaker. His research has focused primarily on the history of the Latter Day Saint movement, authoring several books on the topic. Hamer is a leading expert on various schisms within especially non- far-Western (U.S.) portions of the Latter Day Saint "Restoration" movement. Raised in the Church of Jesus Christ of Latter-day Saints (LDS Church), Hamer left the religion before joining Community of Christ in 2010 and now serves as Pastor of its Toronto Congregation.
Hamer was a contributor to "By Common Consent", the Restoration Studies Coordinator at Sunstone Education Foundation, and the Executive Director of the John Whitmer Historical Association.
Biography.
Hamer's mother's ancestry goes back seven generations to the early Latter Day Saint church in 1833. His family history is connected to many variations of the (Latter Day Saint) Restoration (including Brighamites, Josephites, Rigdonites, Whitmerites, and Strangites).
Hamer was born in the suburbs of Chicago, and grew up in a suburb of Minneapolis. He was raised LDS — and very active as a Deacons Quorum President, Seminary Class President, Eagle Scout at 13 — but became a "closet doubter" as a teenager, and left organized religion altogether as an adult. Uninterested in Mormonism, at age 26 he read "No Man Knows My History", and commented that — ironically — Fawn Brodie rehabilitated Joseph Smith for him.
Hamer received a B.A. degree from Brigham Young University, and a master's from the University of Michigan.
Career.
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The view that the Reorganization was the only true continuation of the original church was also a theological claim, held by early members of the Reorganization. Community of Christ abandoned this claim decades ago when it came to understand that the very act of making the claim to be 'the one and only true church,' is a sign that you aren't it (i.e., because there isn't just one). 
Theologically early Mormons believed that they were the Restoration of the New Testament church in every sense, including recovering all the actual historical practices and institutional authority. This was a faith position that was zealously believed, but which cannot be shown to be possible in an actual historical sense. This is no shame on them; people regularly have these notions — the people of the Renaissance actually believed they had given birth anew to the Classical era. Of course they hadn't. They created something new, because you can never go home again. Likewise the 1830 organization was something new. And the 1860 reorganization, although possessed of vast continuity of membership, belief, and practice with the 1830 organization, was (in fact) a new foundation in an institutional historical sense.
—John Hamer, "Wheat &amp; Tares," December 4, 2010
John Hamer was executive director of the John Whitmer Historical Association 2005–2009 and the Association's president 2010–2011. In 2007 Hamer was founding editor of the Association's imprint, John Whitmer Books. He also has produced maps for university presses and museums, including the University of Michigan Press, Columbia University Press, the Smithsonian Institution Press, the Strategic Air and Space Museum, and the Lewis and Clark National Historic Trail Interpretive Center. In Mormon studies, he has made maps for the LDS Church's "Joseph Smith Papers Project", Herald Publishing House, Greg Kofford Books, the "Journal of Mormon History", "Mormon Historic Studies", the "JWHA Journal", and "Restoration Studies", among others.
On 6 April 2010, Hamer joined Community of Christ. He presently serves as pastor of its congregation in downtown Toronto, Ontario, Canada, and as a Historian for its Canada East Mission. He is President of the Sionito Group of Charities. Hamer is a founding editor at the group blog "Saints Herald." Hamer helped found the Community of Christ ministry Latter-day Seekers as well as the on-line, inclusive pastoral gathering, Beyond the Walls. Hamer gives regular lectures at Centre Place (the Toronto congregation of Community of Christ) on the topics of history, theology, and philosophy. Over 100 of his lectures are available on the Centre Place YouTube channel. Semiweekly on weekdays, Hamer teaches sitting meditation from the Zen tradition.
Personal life.
Hamer is married to Mike Karpowicz. They live in Toronto, Ontario.
Works.
Articles.
Podcast appearances.
Hamer has been a guest on many podcasts including "Mormon Stories", "Gay Mormon Stories", "Mormon Sunday School", "Project Zion Podcast", "Feminist Mormon Housewives", "Mormon Expression", "Infants on Thrones", "Mormon Expositor", "Sunstone", "Radio West", "Back Story with the American History Guys", "Interesting Canadian Mormons", "Naked Mormonism", "Rational Faiths", and "Mormon Matters".
References.
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