He hadn't been active in the company which bore his name since 1992, but he should be remembered as a pioneer in the field of numismatic publications.
Obituary: http://www.voiefuneralhome.com/fh/obituaries/obituary.cfm?o_id=3763168&fh_id=12037
P.S. most people pronounce Krause as a single syllable, but my understanding is that it's actually pronounced as two i.e. Krau-se.