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I believe the correct answer is Alfred Nobel, as you already surmised.
.... Finally, [Nobel] tried diatomaceous earth, ..., that he brought from the Elbe River near his factory in Hamburg, which successfully stabilized the nitroglycerin into a portable explosive.
Nobel obtained patents for his inventions in England on 7 May 1867
The additional pictorial hint is diatomaceous earth, Nobel's stabilizer for nitroglycerin in inventing and manufacturing dynamite:
diatomaceous earth: ... a naturally occurring, soft, siliceous sedimentary rock that is easily crumbled into a fine white to off-white powder. ....
Diatomaceous earth consists of fossilized remains of diatoms, a type of hard-shelled protist. It is used as ..., a stabilizing component for dynamite, ....
As for diatoms:
Similar to plants, diatoms convert light energy to chemical energy by photosynthesis ....