Inventory audit notice: TAPPI Press orders will not be processed from August 21–28 during our fiscal year-end inventory audit. Orders placed during this time will ship starting August 31, in the order received. Normal payment processing also resumes August 31.

Thanks for your patience — this helps us serve our members better.

Brian Brogdon

There have been numerous developments in our industry over the past 100 years. It is hard to pick out just one. Probably one of the more significant breakthroughs that revolutionized our industry was the continuous kraft digester, which was invented in late 1940s/early 1950s by Johan C. F. C. Richter.