DescriptionOheaviside.jpg Oliver Heaviside Date circa 1900 date QS:P,+1900-00-00T00:00:00Z/9,P1480,Q5727902 Source IET Archive Author Unknown authorUnknown
DescriptionHeaviside face.jpg English: Oliver Heaviside head and shoulders Date 14 April 2018 Source Derivative work of file:Oheaviside.jpg Author Derivative