Posted on 23/08/202223/08/2022 by Amit Jain — Leave a commentWerner Stengel (22 August 1936) is a German roller coaster designer and engineer.
Posted on 22/08/202222/08/2022 by Amit Jain — Leave a commentWilliam Murdoch (21 August 1754 – 15 November 1839) was a Scottish engineer and inventor.
Posted on 20/08/202220/08/2022 by Amit Jain — Leave a commentFelix Heinrich Wankel was a German mechanical engineer and inventor .