Berks County...
P1P5...
Marcel Schein ( born June 9, 1902 in Czechoslovakia His research focus...
A quarter-wave radiator, also Marconi antenna after A quarter-wave rad...
The Pneuma (Greek πνεῦμα, today called pnéwma, "the So Hagion ...
Scott Sander Sheppard is an astronomer at the Institute Sheppard explo...
Vilho Väisälä, until 1906 Vilho Weisell, ( born September ...