242 



INDEX 



Henry, Joseph, 104 

 Heraclitus, 70 

 Heredity, 159 

 Herodotus, 28 

 Hertwig, Oscar, 159 

 Hertz, H. R., 101, 106 

 Hill, A. v., 15 

 Hipparchus, 72 

 Hippocrates, 68, 70, 73 

 Histochemistry, 153 

 Histology, 153 

 History, 65 



classical cycle of, 30, 33, 37 



cycles in, 2, 4, 7, 8, 9, 27, 31, 

 33, 35, 36, 40 

 duration of, 31 



events of, not understood, 19 



helix of, 173,225 



la^vs of, 2 



natural, 164 



perspective, distortion in, 18, 19 



principles of, 1, 27 



science of, 2 



theory of, cyclic, 7, 39, 230 

 helical, 40, 173 



written, 17 

 History and archaeology, 17, 18 

 History and Christianity, 5 

 History and physical science, 230 

 Hittorf, J. W., 105, 106 

 Hoff, J. H. van't, 131, 133 

 Hofmann, A. W. von, 122, 123, 175 

 Hofmeister, Wilhelm, 158 

 Hooke, Robert, 85, 98, 153 

 Hopkins, Frederic, 169 

 Hoppe-Seyler, F., 169, 170, 171 

 Hormones, 130, 168 

 Huckel, E., 133 

 Humanism and science, 16 

 Humanists, early, 75 

 Huxley, Leonard, 53 

 Huxley, T. H., 53, 64, 174 

 Huygens, Christiaan, 86, 99 

 Hybridization, 148 



Hydra, 150 



Hydrogen isotopes, 139 

 Hyksos, 28, 30, 37 

 Hypotheses, 54 



Ice, melting of, 93 

 Imhotep, 65 



Imperial Chemical Industries, 217 

 India, 15 



Inductive reasoning, 81 

 Industrial research, application of, 

 209 



control of, 220 



early days, 203 



small industry, 211. 217 



United Kingdom, 204 

 Industrial research laboratories, 

 classification of, 204, 205 



co-operation with, 210 



development, 205 



function of, 202 



fundamental, 205, 206 



number, 203 



origin of, 208, 209 



plant, 205 



position in organization, 208, 

 209 



size, 204 

 Industrial society, 230, 231 

 Industry, application of science to, 

 202 



scientific control of, 234 

 Ingenhousz, Jan, 151 

 Inquisition and Galileo, 79 

 Institute, Optical, Leningrad, 184 

 Institute of Chemical Physics, Len- 

 ingrad, 184 

 Institute of Physical Chemistry, 



Moscow, 184 

 Institute of Physical Problems, 184 

 Institutes, research, 177 

 Interference of light, 99, 100 

 Invention, 43 



