On May 2–3, 2025 the Arthur Perkins Study Center is hosting its second conference at Calvary OPC in Cedar Grove, Wisconsin. The topic is “The Crisis of 1935: The Battle for Orthodoxy.” The speaker is Rev. Brian De Jong, executive director of the Perkins Study Center. There will be lectures highlighting four Wisconsin Presbyterians involved in this battle: John DeWaard, Oscar Holkeboer, Arthur Perkins and John Davies. Videos of the conference sessions will be available afterwards at www.graceopcsheboygan.com/videos. For more information, contact Rev. De Jong at revbriandejong@gmail.com.