Anthony Kohan Anthony Kohan is a consultant with more than 30 years of experience as a technician, tester, and inspector of boiler pressure vessels and machinery. He was formerly the manager of the boiler and machinery technical specialty at the Royal Insuranc Co. Mr. Kohan is the author or co-author of Standard Boiler Room Questions and Answers, Standard Heating and Power Boiler Plant Questions and Answers, Pressure Vessel Systems, and Plant Services and Operations Handbook, all published by McGraw-Hill. Read More Read Less