Joaquim da Costa Ribeiro

Joaquim da Costa Ribeiro
Born(1906-07-08)July 8, 1906
DiedJuly 29, 1960(1960-07-29) (aged 54)
CitizenshipBrazil
Alma materUniversidade Federal do Rio de Janeiro
Known forDiscovering the thermodielectric effect
Awards
  • Carneiro Felippe Medal
  • Einstein Prize (ABC)

Joaquim da Costa Ribeiro (Rio de Janeiro, July 8th 1906 - July 29th, 1960) was a Brazilian physicist and university professor in Brazil. He discovered the thermodielectric effect, also known as the Workman-Reynolds in the US. Ribeiro was a member of the Brazilian Academy of Sciences and was the first Scientific Director of CNPq.

He is the father of anthropologist Yvonne Maggie and grandfather of movie author Ana Costa Ribeiro, who directed "Termodielétrico", a memoir film about him and his legacy.