Achim Sidorov
He won two medals at the ICF Canoe Sprint World Championships with a gold ( C-2 1000 m: 1963 ) and a silver ( C-2 10000 m: 1958 . 
<triplet> 1963 <subj> ICF Canoe Sprint World Championships <obj> instance of <subj> 1963 <obj> point in time <triplet> 1958 <subj> 1958 <obj> point in time