Ka cika wannan magana: James E. Roberts (na 30 ga Nuwamba, 1930 - 6 ga Yuli, 2006) sanannen injiniyan gine-gine ne Ba'amurke. An san shi da masana'antu da lambobin yabo na gwamnati don jagorancinsa a aikin injiniya na gada, musamman a fannin gyaran girgizar ƙasa. Shi ne injiniyan gadar jihar a Caltrans lokacin girgizar kasa ta Loma Prieta da
Girgizar ƙasa ta Northridge. Ayyukansa na aikin jama'a ya wuce fiye da shekaru 50 a cikin sojojin Amurka, Sojojin Amurka da Caltrans. Aikin Roberts ya wuce shekaru 50 kuma ya rufe wasu daga cikin shekarun da suka fi dacewa don aikin injiniya da aka samu a California daga zane da kuma gina gine-ginen shekarun 1950 da 1960 zuwa jagorancinsa a lokacin kokarin sake ginawa da kuma shirye-shiryen gyaran gyare-gyare na girgizar kasa da aka kirkiro bayan manyan girgizar kasa biyu na California da girgizar kasa na Loma Prieta na 1989 da kuma girgizar kasa ta 1994 Northridge.