"W"

Nuclear Chemistry: Wigner Effect
Biology: white blood corpuscle
Inventions: water wheel
Electronics: waveguide
Renaissance: William Shakespeare (Was an English Renaissance dramatist.)
Mathematics:

X"

Nuclear Chemistry: X-Ray Fluorescence XRF
Biology: X Chromosome
Inventions:
Electronics:
Renaissance:
Mathematics

X"

Nuclear Chemistry: X-Ray Fluorescence XRF
Biology: X Chromosome
Inventions: X-Rays
Electronics: X-Ray Tubes
Renaissance: Xenophon (Greek Historian - In Renaissance Europe, the value placed on classical texts gave Xenophon’s advice on keeping and raising a horse great authority.)
Mathematics:

"Y"

Nuclear Chemistry: Yield
Biology: Y Chromosome
Inventions: Yo-Yo
Electronics: Y connectors for electronic devices
Renaissance: Yuan, Dong (One of the 4 great masters of Chinese Renaisance Medicine.)
Mathematics:

Z"

Nuclear Chemistry: Z Particles (Z particles were first observed in 1983 by Carlo Rubbia and Simon van der Meer at CERN.)
Biology: Zoology (Branch of biology concerned with the study of animal life.)
Inventions: Z-80 CPU (An 8-bit processor that was constructed in the beginning of July 1976.)
Electronics: Zmodem
Renaissance: Zora Neale Hurston (Novelist, folklorist and anthropologist-was known during the Harlem Renaissance.)
Mathematics: Z-transform (In mathematics and signal processing, the Z-transform converts a discrete time-domain signal, which is a sequence of real or complex numbers, into a complex frequency-domain representation.)

Okay, we are finished with this "round". Could someone please pick the next six topics.

Bob_F