Appearances and Mentions
- Sveltlana Tsiolkovsky is the (fictional) daughter of Russian rocket scientist Konstantin Tsiolkovsky with whom James Pendrick has fallen in love with and has made his assistant and partner.
- Sveltlana is duped by Allen Clegg who manipulates her desire to have Pendrick create a brave new world by bringing to mankind all the benefits of science – into Clegg's own weapon.
- Konstantin Eduardovich Tsiolkovsky (1857-1935) did have a daughter but her name was Lyubov; She was arrested for engaging in revolutionary activities.
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