“Rudolf Christian Karl Diesel (18 March 1858 – 29 September 1913) was a German inventor and mechanical engineer who is famous for having invented the Diesel engine, which burns Diesel fuel; both are named after him.” (Source Wikipedia)
As it would have been his birthday today, I searched the internet for some easy and not so easy information in German for you. I couldn’t find anything that was easy, but the following websites or videos might be suitable for your level of German.
Diesel – Klexikon – das Kinderlexikon
You could also read the German wikipedia article.
Here’s a short German video about Diesel
This is a longer documentary about Diesel
If you’d rather watch a video in English, you can watch this one
And if you are a petrolhead – ein Autofanatiker/ eine Autofanatikerin – you might be interested in the next two videos about car engines.
Wie funktioniert ein Verbrennungsmotor? (How does an internal combustion engine work?)
Dieselmotor / 4-Zylinder-Motor / Viertakter – Funktionsweise (Diesel engine / 4-cylinder engine / four-stroke engine – How it works)
How much do you know about Rudolf Diesel?