We should mention Pentti Airikkala on that list for rally as well. He was active on this forum before he passed and was known for setting cars up well and coaching drivers. He only won 1 WRC event but was often in the background testing, doing setups or coaching.

https://www.motorsportmagazine.com/a.../26/obituaries

https://www.fairfieldmotorsport.com/...a1945-2009.htm