I think you mean Andrej Holm: <a href="https:&#x2F;&#x2F;de.wikipedia.org&#x2F;wiki&#x2F;Andrej_Holm" rel="nofollow">https:&#x2F;&#x2F;de.wikipedia.org&#x2F;wiki&#x2F;Andrej_Holm</a> (no article on him in the english Wikipedia, sorry).