Pauls Kalniņš was a Latvian physician and politician (LSDSP), a long-term Speaker of the Saeima, one of the signatories of the Memorandum of the Latvian Central Council in 17 March 1944, and was the Acting President of Latvia.

Gustavs Zemgals was a Latvian politician and the second President of Latvia. He also was twice the mayor of Riga.