Nikolay Belotsvetov (1863-1935) – entrepreneur and editor. >>

Theodor-Ferdinand Kalep (1866 – 1913) – inventor, businessman, production organizer, worked at Riga enterprises «Lange and son», «Motor» and «Russo-Balt». >>

Yefim Kamkin (1823-1908) – merchant of the 1st Guild. Gained renown by his donations to  churches. >>

Vasily Karyakin (1851 - 1913) - merchant. >>

Vasily Kudryachev (1869-1941) – entrepreneur and Head of Riga Grebenshchikov Old Believers Community. >>

Matvey Kuznetsov (1846-1911) - manufacturer, owner of the "Partnership for the production of porcelain, earthenware and majolica products". >>

Nikolay Kuznetsov (1869-1938) - manufacturer. >>

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