Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
that many scientists
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that many scientists" is correct and usable in written English.
It can be used when referring to a significant number of scientists in a particular context, often to emphasize a consensus or a common viewpoint among them. Example: "It is widely accepted that many scientists believe climate change is a pressing issue that needs immediate attention."
✓ Grammatically correct
Science
News & Media
Science & Research
Alternative expressions(2)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
59 human-written examples
There is also a psychological barrier in that many scientists working with chemical information need to feel comfortable with the textual representation.
Science
After that, many scientists thought that CERN was the likely site for the machine.
Science & Research
That many scientists questioning something must mean there's a real scientific controversy about it.
News & Media
Because of that, many scientists expect the question of the relative sizes of Eris and Pluto to remain unanswered until then.
Wiki
Gene-signature research is one of a number of reasons that many scientists are optimistic about the fight against breast cancer.
News & Media
Models have become so fashionable that many scientists and engineers cannot imagine working without them.
Science
From my experience, I doubt that many scientists are busy duplicating the failed experiments of others.
News & Media
Hence the defensiveness that many scientists feel when criticised or questioned, especially by the media.
News & Media
He had so much fear for imperfect purposes, that many scientists of his century called him the Master.
Science
In relative terms, the sums for clean-energy research that many scientists and economists support are not huge.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
I don't doubt that the conceit exists--that many scientists view scientific career-changers with disdain.
Science & Research
Expert writing Tips
Best practice
Use "that many scientists" to emphasize the collective agreement or widespread opinion among a group of experts, adding weight to your statement.
Common error
Avoid using "that many scientists" in casual conversation or informal writing; simpler alternatives like "many scientists" or "a lot of scientists" may be more appropriate.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that many scientists" functions as a determiner phrase modifying the noun "scientists". It specifies and quantifies the number of scientists being referred to. As Ludwig AI highlights, the phrase is grammatically correct and usable.
Frequent in
News & Media
38%
Science
31%
Science & Research
23%
Less common in
Academia
3%
Wiki
2%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "that many scientists" is a grammatically sound and commonly used expression to indicate a notable number of scientists. Ludwig AI confirms its correctness and usability. It is particularly effective when emphasizing a shared viewpoint or widespread activity among experts. While versatile, it's best to avoid it in highly informal contexts where simpler alternatives might suffice. Predominantly found in news, scientific, and research-oriented sources, the phrase conveys a sense of authority and collective expertise.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a large number of scientists
Replaces "that many" with "a large number", offering a more formal tone.
numerous scientists
Substitutes "that many" with the adjective "numerous", indicating a considerable quantity.
a significant number of scientists
Emphasizes the importance or impact of the number of scientists.
many scientists
Simplifies the phrase by removing "that", making it more concise.
a multitude of scientists
Replaces "that many" with "a multitude", suggesting a very large and varied group.
a good number of scientists
Implies a sufficient or satisfactory quantity of scientists.
quite a few scientists
Offers a more informal way to express a notable quantity of scientists.
a considerable number of scientists
Highlights the substantial quantity of scientists.
several scientists
Indicates more than a few, but less than many, scientists.
a host of scientists
Suggests a large and impressive group of scientists.
FAQs
How can I use "that many scientists" in a sentence?
You can use "that many scientists" to indicate a large number of scientists who share a similar view or participate in a particular activity. For example, "That many scientists are now using the term to describe obesity".
What are some alternatives to "that many scientists"?
Alternatives include "a large number of scientists", "numerous scientists", or simply "many scientists", depending on the desired level of formality and emphasis.
Is it correct to say "that many scientist" instead of "that many scientists"?
No, it is not correct. "Scientists" is a plural noun, so using the plural form is essential when referring to more than one scientist. "That many scientist" is grammatically incorrect.
What is the difference between "that many scientists" and "so many scientists"?
"That many scientists" often refers to a specific number or group already mentioned or understood in context, while "so many scientists" expresses surprise or emphasis about a large, unspecified number. You can replace it with alternatives such as "such a large number of scientists".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested