In existographies, Hermann Helmholtz (134-61 BE) (1821-1894 ACM) (IQ:195|#11) (RGM:214|1,350+) (Becker 160:121|3L) (Simmons 100:63) (TR:369) (LH:3) (TL:394|#14) was a German physicist, philosopher, and physician, noted for 
Quotes | On
The following are quotes on Helmholtz:
- “I believe it is a common saying that Helmholtz was the last of the last universal geniuses, and we are fast arriving at the point where even a single subject becomes too vast for one man. At any rate, whether or not any of my learned colleagues could write an entire chemical engineering handbook, I could not—hence the present [multiple contributor] form.”
- — Donald Liddell (1922), Handbook of Chemical Engineering
Quotes | By
The following are quotes by Helmholtz:
- “If failure attends all our efforts to obtain a generation of organisms from lifeless [inert] matter, it seems to me a thoroughly correct procedure to inquire whether there has ever been an origination of life [?], or whether it is not as old as matter, and whether its germs, borne from one world to another, have not been developed wherever they have found a favorable soil [ground].”
- — Hermann Helmholtz (1874), “On the Use and Abuse of the Deductive Method in Physical Science” 
- (a) Helmholtz, Hermann. (1874). “On the Use and Abuse of the Deductive Method in Physical Science” (translator: Crum Brown), from Helmholtz’ preface to the second part of the German edition of William Thomson and Peter Tait’s Treatise on Natural Philosophy, vol. 1; in: Nature, 11:149-51, Dec 24; in Nature, 11:211-12, Jan. 14.
(b) Stewart, Balfour and Tait, Peter G. (1875). The Unseen Universe: or Physical Speculations on a Future State (pg. 187). Macmillan.
(c) Inert and Living (2015) – Astronoo.com.
- On the Thermodynamics of Chemical Processes – Hmolpedia 2020.
- Helmholtz, Hermann. (1882). “On the Thermodynamics of Chemical Processes” (pdf), in: Physical Memoirs Selected and Translated from Foreign Sources, 1: 43-97. Physical Society of London, Taylor and Francis, 1888.
- Meuldes, Michel. (2010). Helmholtz: From Enlightenment to Neuroscience (translator: Laurence Garey). Publisher.
- Caneva, Kenneth. (2021). Helmholtz and the Conservation of Energy: Contexts of Creation and Reception. MIT Press.
- Anon. (2012). “Hermann von Helmholtz (1821-1894)” (YT), LimeWaveZ Aug 29.
- Hermann Helmholtz – Hmolpedia 2020.