Im giving a speech about 20th century rocketry i need to get this information and im having trouble finding this.
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It was probably Robert Goddard.
His 1919 monograph, A Method of Reaching Extreme Altitudes , is considered one of the classic texts of 20th-century rocket science.Goddard successfully applied three-axis control, gyroscopes and steerable thrust to rockets, all of which allow them to be controlled effectively in flight.
His work was also studied and improved upon by the Germans during WWII under the guardianship of Werner V Braun
http://en.wikipedia.org/wiki/Robert_H._G…
His 1919 monograph, A Method of Reaching Extreme Altitudes , is considered one of the classic texts of 20th-century rocket science.Goddard successfully applied three-axis control, gyroscopes and steerable thrust to rockets, all of which allow them to be controlled effectively in flight.
His work was also studied and improved upon by the Germans during WWII under the guardianship of Werner V Braun
http://en.wikipedia.org/wiki/Robert_H._G…
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the Germans in WW2, along with the first guided missile.