Match the following. Scientist Discovery 1) Joseph Thomson a) Optical Fiber 2) Alexander Fleming b) Radium 3) Narinder Kapany c) Electron 4) Marie Curie d) Penicillin
1-c, 2-d, 3-a, 4-b
Matching each scientist to the discovery they are credited with:
Joseph J. Thomson identified the electron in 1897 via cathode-ray experiments — so 1-c.
Alexander Fleming discovered penicillin in 1928 from the mould Penicillium notatum — so 2-d.
Narinder Singh Kapany, the "Father of Fibre Optics", pioneered optical fibre — so 3-a.
Marie Curie, with Pierre Curie, isolated radium (and polonium) in 1898 — so 4-b.
The correct combination is 1-c, 2-d, 3-a, 4-b.
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