 Ramba uchiverenga ndima ino - Kubva muna 1909, Speyer aiva muchengeti anokosha wemari yakaunganidzwa kuti Robert Falcon Scott awane mari yokufambisa vanhu kuAntarctic muna 1910kwaakapa 1,000 ye40,000 yaidiwa. Speyer akanga akagadzirira kutora mutoro womunhu oga nokuda kwechikamu chezvikwereti zvorwendo rwacho, kunyange zvazvo mari yakaunganidzwa kubva kumipiro yavanhu yakanga yakakwana. 