Harry Edward Greenwell (December 9, 1944 – January 31, 2013), known as The I-65 Killer and The Days Inn Killer, was an American serial killer and rapist who committed at least three murders along Interstate 65 in Indiana and Kentucky between 1987 and 1989. The killings were linked to Greenwell via DNA in 2022, but he had died of cancer in 2013.

John Martin Scripps (9 December 1959 – 19 April 1996), also known as the Garden City Butcher, and "Tourist From Hell" was an English serial killer who murdered three tourists—Gerard Lowe in Singapore, and Sheila and Darin Damude in Thailand—with another three potential (yet unconfirmed) victims. He posed as a tourist himself when committing the murders.

Fritz Jakob Haber (German: [ˈfʁɪt͡s ˈhaːbɐ] ; 9 December 1868 – 29 January 1934) was a German chemist who received the Nobel Prize in Chemistry in 1918 for his invention of the Haber process, a method used in industry to synthesize ammonia from nitrogen gas and hydrogen gas. This invention is important for the large-scale synthesis of fertilizers and explosives.