Meaning

noun Swiss chemist who synthesized DDT and discovered its use as an insecticide (1899-1965)

noun Swiss physicist who studied superconductivity (born in 1927)

noun German physiologist and anatomist (1801-1858)

originFrom mull (“to mix (clay and sand) under a roller to prepare a mould”) + -er (suffix forming agent nouns). Mull is possibly derived from mull (“(chiefly Northern England) to grind to powder, crumble, powder, pulverize”), from Middle English mollen, mullen (“to moisten (something); to soften (something) by making wet; to become liquid; to drizzle; to crumble or soften (something) by grinding; to…

Etymology from Wiktionary, CC BY-SA 3.0