IMPERIAL AIRWAYS For Longer Leave in England Fly Home Inclusive Fares 'No Extras'. Artist: Theyre Lee-Elliott Circa 1935 This poster is by the Speedbird's inventor, Theyre Lee-Elliott. The repeated Speedbird symbol illustrates the airlines presence in the airways above Africa. The whole poster seems to be in 'typical' African colours. The message behind the poster is an attempt to attract regular clients, compared to the occasional flyer or VIP.