With each passing hour, the hope that my wife and young Molly were alive diminished but to give credit where due, the searchers never let up in their fervor.
Devoting himself next to optics, he produced memoirs which entitle him to a high place among the early, searchers after a true dynamical theory of light.
Sometimes the searchers wade into the sea, furnished with nets at the end of long poles, by means of which they drag in the sea-weed containing entangled masses of amber; or they dredge from boats in shallow water and rake up amber from between the boulders.
They were discovered before 1870 by searchers after petroleum, but their exploitation remained in the experimental stage until about 1900.
In science he was the first among modern men to set himself most of those problems which unnumbered searchers of later generations have laboured severally or in concert to solve.