In hmolscience, Thims 33 refers to 
On 2 Jan 2008, Thims started making the HT pioneers list, seeming off the cuff, or off the top of his head, which by the end of the first day (version 6) had 33 names:
- Hermann Helmholtz (1847) - thermodynamically analyzed Goethe's Faust.
- Sigmund Freud (1874) - developed a rudimentary thermodynamic theory of the mind.
- Ludwig Boltzmann (1886)
- Wilhelm Ostwald (1907)
- Henry Adams (1910)
- James Johnstone (1921)
- Frederick Soddy (1922)
- Vladimir Vernadsky (1926)
- Carl Jung (1928) - developed an entropic view of consciousness.
- Erwin Schrodinger (1944) - reasoned that life "feeds on negative entropy"
- Paul Samuelson (1947)
- Charles G. Darwin (1952) - coined the terms "human thermodynamics" and "human molecule"
- James Lovelock (1964)
- John Kirkaldy (1965)
- Nicholas Roegen (1971) - developed a rudimentary second law theory of economic process.
- Frederick Rossini (1971)
- Howard Odum (1976)
- Ilya Prigogine (1977) - developed a "dissipative structure theory" of life.
- Georgi Gladyshev (1978) - developed a "hierarchical thermodynamics" theory of evolution.
- Elizabeth Porteus (1987)
- Eric Schneider (1988) - proposed that life thermodynamically evolved so to help "degrade the energy gradient"
- Kenneth Bailey (1990)
- Libb Thims (1995)
- Stuart Kauffman (1995)
- Erich Muller (1998)
- Philip Parker (2000) - situated the conception of "physicoeconomics", a collection of ideas on the relations between the hypothalamus, thermodynamics, and economics.
- David Hwang (2001) - proposed a Gibbs free energy view of intimate human chemical reactions.
- Jing Chen (2002)
- Ingo Muller (2002) - developed a phase diagram view of "socio-thermodynamics".
- John Avery (2003)
- Josip Stepanic (2004)
- Dimitris Keranis (2005)
- Octavian Ksenzhek (2007) - proposed a thermoeconomics energy-entropy view of money.
On 29 Mar 2012, the list had grown to 505+ names, at which point, owing to file size, the editor began to freeze up and malfunction.
The following are related quotes:
- “Human thermodynamics pioneers are those scientists and writers who have contributed theory and logic to the understanding of the thermodynamics of human life. In the years to follow the 1824 publication of Sadi Carnot's "On the Motive Power of Fire", which founded the science of thermodynamics itself, a small but growing number of people began to profess views on the potential thermodynamic logic of the operation of human life. The HT pioneers list shows those thermodynamicists, physicists, scientists and writers who, in some way or another, have published or professed their views on aspects of the thermodynamic operation of human life.”
- — Libb Thims (2008), “Description of the HT pioneers page”, Jan 2