Status Updates From Solaris

This is turning into a classic "progressive at the time, racist now." The scientists Kelvin lists and respects have a mix of white and nonwhite names, but the black woman is never explained or expounded on. Rheya has no existence beyond Kelvin but that's due to her construction. Who is Gibarian's construct? Why is she wearing what she's wearing? Was Lem describing the practices of a real African tribe, or was he exot

"For seven or eight years, the academic literature
produced a spate of assertions which although framed in polite, cautious terms, amounted to little more than insults, the revenge of a rabble of leaderless suitors when they realized that the object of their most pressing attentions was indifferent to the point of obstinately ignoring all their advances." Hilarious description.