Leroy Cronin
Chemist
9
APPEARANCES
8
PODCASTS
012
DEC 30
JAN 6
JAN 13
JAN 20
JAN 27
FEB 3
FEB 10
FEB 17
FEB 24
MAR 3
MAR 10
MAR 17
MAR 24
MAR 31
APR 7
APR 14
APR 21
APR 28
MAY 5
MAY 12
MAY 19
MAY 26
JUN 2
JUN 9
JUN 16
JUN 23
JUN 30
JUL 7
JUL 14
JUL 21
JUL 28
AUG 4
AUG 11
AUG 18
AUG 25
SEP 1
SEP 8
SEP 15
SEP 22
SEP 29
OCT 6
OCT 13
OCT 20
OCT 27
NOV 3
NOV 10
NOV 17
NOV 24
DEC 1
DEC 8
DEC 15
DEC 22
DEC 29
JAN 5
JAN 12
JAN 19
JAN 26
FEB 2
FEB 9
FEB 16
FEB 23
MAR 2
MAR 9
MAR 16
MAR 23
MAR 30
APR 6
APR 13
APR 20
APR 27
MAY 4
MAY 11
MAY 18
MAY 25
JUN 1
JUN 8
JUN 15
JUN 22
JUN 29
JUL 6
JUL 13
JUL 20
JUL 27
AUG 3
AUG 10
AUG 17
AUG 24
AUG 31
SEP 7
SEP 14
SEP 21
SEP 28
Aug 20, 2026
“You Cannot Discover What You Cannot Make”: Lee Cronin on Programming Chemistry
L
1:26Lee CroninGUEST
Um, I am on a permanent sabbatical, I guess, but I also still run a research team, and the way that works is the university and the company manage the conflicts of interest.
L
1:40Lee CroninGUEST
Well, not in a way, I'm the CSO of the company, but I have no s- re- research team in the company.
L
1:45Lee CroninGUEST
It's very efficient to have the research team in my, in my, in the university, and then, uh, and vi- via various methods, um, we manage to kind of make it okay.
#35 Lee Cronin - Chemputation, Origin of Life, Assembly Theory
26:19
26:26
26:35
26:45
55:44
Lee CroninGUEST
I mean, I'm a full-time CEO, but I'm also on a sabbatical, but I'm running a research team.
Lee CroninGUEST
And I mean, I think the simple answer to that is they're solving one big problem, right? Which is how to manipulate matter and encode it.
Lee CroninGUEST
And I think that, you know, I've got an enormous amount of investment in Chemify.
Lee CroninGUEST
So I feel that my focus has to be on making sure this technology is not only works, but is useful and addresses the market.
29 MINS LATER
David KippingHOST
I'm wondering, what do you take away from those clues about the origin of life? What do you think this story might have been?
"TREACHEROUS Waters Ahead!" Will Super Intelligent Robots End Humanity? + Science vs God Debate
11:19
11:29
11:48
11:52
Piers MorganHOST
Tour there gave a, a, a long definition of why he's very skeptical about your position, so here's your chance to respond.
Lee CroninGUEST
Yeah, so I think we have to, we have to understand we're doing science, right? And what, what James is saying, Professor Tour is saying, he's making s- arguments that don't make any scientific sense because he's saying 'cause it's hard it couldn't have happened, it broke a law.
Lee CroninGUEST
Explain where the parts came from, how they got refined, where the metals came from.
Lee CroninGUEST
Just because a problem is hard, it doesn't mean it's, it's not gonna be f- solved.
10 MINS LATER
Lee Cronin - Living Process Flourishes if We Make the Present “Thick” (Stewarding the Flame, Ep 2)
19:04
19:19
23:39
Lee CroninGUEST
And so, uh, and I real- and, you know, and H- Henri and Einstein were, uh, you know, famously, they had a debate, and everyone thought that Henri lost and Einstein lost, but actually it's the other way around, and it's because Einstein didn't really understand what life is.
Lee CroninGUEST
And so life is, because life is unfolding, and the way the future works and the way time is, in that H- uh, Henri had a understa- exactly.

Daniel FaggellaHOST
So like when you think about the beginnings of something that wants to keep going, like the origins, the impetus of the conatus, from you, what is its seed? What would be the assembly theory take here to explain this crazy process?
Fabricate your own medicine - Lee Cronin
1:00
1:26
1:58
2:08
2:29
2:36
S
0:59speaker_1ADVERTISER
Terms and conditions apply.
Lee CroninGUEST
[dramatic music] [audience applauding] Organic chemists make molecules, very complicated molecules, by chopping up a big molecule into small molecules and get reverse engineering.
Lee CroninGUEST
And as a chemist, one of the things I wanted to ask my research group a couple of years ago is could we make a really cool universal chemistry set? In essence, could we app chemistry? Now, what would this mean and how would we do it? Well, to start to do this, we took a 3D printer and we started to print our beakers and our test tubes on one side and then print the molecule at the same time on the other side and combine them together in what we call reaction ware.
Lee CroninGUEST
And so by printing the vessel and doing the chemistry at the same time, we may start to access this universal toolkit of chemistry.
Lee CroninGUEST
Now, what could this mean? Well, if we can embed biological and chemical networks like a search engine, so if you have a, a cell that's ill that you need to cure or bacteria that you wanna kill, if you have this embedded in your device at the same time and you do the chemistry, you may be able to make drugs in a new way.
Lee CroninGUEST
So how are we doing this in the lab? Well, it requires software, it requires hardware, and it requires chemical inks.
Lee CroninGUEST
And so the really cool bit is the idea is we wanna have a universal set of inks that we put out with the printer and you download the blueprint, the organic chemistry for that molecule and you make it in the device.
What Turns Sand Into Cells? How Nonliving Matter Becomes Alive
L
19:28Lee CroninGUEST
"But actually, uh, for fifty years, people have been working on complexity, and it took-- and there is no general theory.
L
19:36Lee CroninGUEST
I would encourage you to actually work on proper topics in science rather than tackle this." And I was like, "Whoa! Gosh." And what I was trying to say to him is like, "No, no, I actually think I have a solution to the tautological problem of élan vital tautology, complexity, and emergence," because I came up with a new problem that I think I was gonna try and solve.
L
20:06Lee CroninGUEST
I went and did a postdoc in Germany with a professor who made the biggest inorganic molecules ever, and he literally l-- just took nothing more complicated than some salt, um, this is, this is a salt of a metal called molybdate, molybdenum, and you add a bit of acid to it, and they would form gigantic rings or balls with many hundreds of atoms in them, just magically.
L
20:26Lee CroninGUEST
I was like, "How did that happen?" And what happens is that it was, uh, the-- I went to work with him for a y- for just over a year as a Humboldt fellow to study that problem and say, "Well, where is the point of, for want of a better phrase, creation, or a better phrase, templation? How does a small thing become a big thing in chemistry and become-- exist for a long time?" So that's when I started to think about the problem of origin of life in terms of s-- a way that a thing can come into existence.
6 MINS LATER
271 - Sara Imari Walker & Lee Cronin: Quantum Physics, Time, and the Origin of Life
75:12
75:22
S
74:47Sara Imari WalkerGUEST
and doesn't have an external description and is causally deep um and it's really the causal depth that is leading to these weird phenomena in quantum mechanics and selection along causal depth you know eventually you know from molecules all the way up to us is what leads to to living structures so there's this interesting set of ideas emerging that are really exciting i think in that space go ahead lee
Lee CroninGUEST
And so I don't want to misspeak Jacob's work, but I think he's onto something extremely interesting.
Lee CroninGUEST
And I think what was really interesting is that he was led there by some kind of interesting mathematical interpretation, which led me to see a causation in quantum mechanics.
8 MINS LATER
R
84:03Robinson ErhardtHOST
Can you spell out how assembly theory treats evolution biological evolution as a more general or maybe it's a more specific it's a special case of this more general causal principle
267 - Lee Cronin: Aliens, Artificial Intelligence, and the Origin of Life
18:27
18:42
Lee CroninGUEST
Like, where's the creativity come from? Like is human, all human beings, creativity, just basically given at birth when that cell gets fertilized and that frozen accident, those initial conditions are responsible for way the human acts.
Lee CroninGUEST
Um, I don't think it's quite that, but I think humans have a very interesting ability.
18 MINS LATER
R
36:44Robinson ErhardtHOST
And I'm wondering why that would be or what the distinction would be since we created it, its intelligence would come from us.
Artificial Life - with Nicholas Thompson and Lee Cronin
9:22
9:37
9:43
9:52
10:05
Lee CroninGUEST
Chemify was doing a number of different things, but what the market sees is, "Hey, Chemify, I want you to design me a really interesting molecule that will solve this particular problem." So it could be a drug, it could be like a dye, could be a fragrance even.
Lee CroninGUEST
We will then basically turn that desire, that request and put it into our engine.
Lee CroninGUEST
And then we basically calculate a load of various configurations which of virtual molecules in the memory of the computer.
Lee CroninGUEST
The process we call computation turns those suggestions in the computer memory and literally, for want of a better phrase, prints them out in the laboratory for real.
Lee CroninGUEST
And that's really exciting because we can make really complicated molecules that human beings cannot make by hand 'cause they would get too tired or they're too dangerous or literally we just don't n- have the knowledge encoded.
9 MINS LATER
