By AdventistNews@gc.adventist.org (Richard A. Schaefer)
A son of farmers, Ryckman is best known for his contributions to Chagas disease.
Source:: sda website
Raymond Ryckman, scientist who helped put Loma Linda on map, dies at 99
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Krugersdorp North Seventh-day Adventist Church
The Seventh-day Adventist Church (SDA) is an Adventist Protestant Christian denomination which is distinguished by its observance of Saturday, the seventh day of the week in the Christian (Gregorian) and the Hebrew calendar, as the Sabbath. It emphasizes the imminent Second Coming (advent) of Jesus Christ.