Vasily Alikhanov (1843 ?-1908, Riga, Russian Empire) – merchant, donor. >>
Nikolay Belotsvetov (1863-1935) – an entrepreneur and editor. >>
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Theodor-Ferdinand Kalep (1866–1913) – inventor, businessman, production organizer, worked at Riga enterprises «Lange and son», «Motor» and «Russo-Balt». >>
Yefim Kamkin (1823-1910) – merchant of the 1st Guild. Gained renown by his donations to churches. >>
Vasily Karyakin (1851-1913) – a 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". >>