The Inventors who got us airborne typify tenacity and perseverance. Lawrence Hargrave, who was ridiculed for his box kites, laid the foundation for all modern aviation. David Warren's black box helped make flying the safest form of transport, but he faced staunch resistance getting it off the ground. Jack Grant persisted for 10 years to get his lifesaving slide-raft into planes. While it took 60,000 years for the inventors of the returnable boomerang to receive recognition for their aeronautical achievements.
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