"Melvin Calvin" maaha eray laga heli karo qaamuuska maadaama uu yahay magac ku habboon oo tilmaamaya qof gaar ah. Melvin Calvin waxa uu ahaa biochemist Maraykan ah oo sannadkii 1961-kii lagu guddoonsiiyey abaal-marinta Nobel Prize ee Chemistry-ga, isaga oo ku mutaystay shaqadii uu ka qabtay wasakhaynta kaarboon-dioxide ee dhirta, gaar ahaan daahfurka wareegga Calvin.