19th-century 19th-century-literature advanced-technology adventure african-american african-american-culture african-american-experience african-american-literature alien-civilization alien-civilizations alienation allegory alternate-history alternate-reality ambition american-dream american-history american-literature anxiety apocalyptic army army-life assimilation betrayal bildungsroman black-culture black-experience black-identity blindness british-literature brotherhood cautionary-tale civil-rights civil-rights-movement civilization class-divide class-division class-struggle classic classic-literature classics coming-of-age comparison conformity cultural-criticism cultural-critique culture death discrimination disillusionment double-consciousness drama duty dystopia dystopian dystopian-future dystopian-society eloi escapism evolution evolutionary-theory existentialism exploration fantasy freedom friendship fulfillment future future-societies future-society future-technology futurism futuristic futuristic-technology h.-g. h.-g.-wells h.g.-wells happiness harlem harlem-renaissance hawaii historical-fiction honor human-evolution human-nature human-progress humanity identity identity-crisis imagination imaginative individualism individuality industrial-revolution inequality injustice invention invisibility invisible invisible-man isolation jazz life london love loyalty machine machines materialism military military-life modernism morality morlocks oppression pacific-theater passion pearl-harbor personal-freedom personal-growth philosophical philosophical-themes philosophy post-apocalyptic power power-dynamics prejudice progress protagonist protest psychology race racism ralph-ellison redemption relationships romance sacrifice science science-and-technology science-fantasy science-fiction scientific-discovery scientific-ethics scientific-exploration scientific-invention scientific-inventions scientific-progress segregation self-discovery self-help self-worth social-class social-commentary social-comparison social-criticism social-critique social-inequality social-injustice social-justice social-status societal-critique societal-decay societal-expectations societal-pressure societal-pressures society soldier soldiers southern-united-states speculative-fiction status status-anxiety stereotypes success surrealism survival symbolism technological-advancement technological-advancements technological-innovation technology thought-provoking time-dilation time-machine time-manipulation time-paradox time-travel time-traveler underground utopia utopian-society victorian victorian-era victorian-literature visionary war wealth wells world-war-ii