Eckstein, Gustav
Gustav Eckstein: scientist, physiologist, and writer; especially for younger readers.

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Man by his large and choice brain has occupied the earth, and the house mouse, the field mouse, the house rat, the bed bug, certain flukes, worms, mites, ticks, lice, fleas, all have followed man around, may, to that extent, be said to have acknowledged that large and choice brain, and to have cast their lot with it. Everyday Miracle