Mr. Plugge was an Aerospace Engineer for 40 years primarily designing microwave systems and their unique components. He’s now writing Bible studies from the perspective of an engineer, not a theolo...lihat lebih banyakMr. Plugge was an Aerospace Engineer for 40 years primarily designing microwave systems and their unique components. He’s now writing Bible studies from the perspective of an engineer, not a theologian or story teller. His other books include: Daniel’s Five Visions and On Zechariah. He has degrees in Engineering and Divinity.lihat lebih sedikit