Lawrence Hargrave, MRAeS, (29 January 1850 – 14 July 1915) was an engineer, explorer, astronomer, inventor and aeronautical pioneer.
It becomes a giant's task to compute the result when the effect of cross seas, wind at all angles and ever varying force, arched surfaces, head resistance, ratio of weight to area, and the intelligence of the guiding power crop up. Use this quote
