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
a leading authority
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a leading authority" is correct and usable in written English.
It can be used to refer to someone or an organization that is recognized as an expert or a primary source of knowledge in a particular field. Example: "Dr. Smith is a leading authority on climate change and has published numerous influential studies on the subject."
✓ Grammatically correct
Academia
News & Media
Encyclopedias
Alternative expressions(20)
a foremost expert
a top expert
an eminent figure
an influential figure
a foremost authority
a single authority
a quiet authority
a joint authority
initiative authority
a great deal of authority
a primary source of expertise
a core competency
an experienced specialist
a seasoned expert
a skilled professional
an accomplished professional
an influential organization
a dominant player
a major force
a specialized player
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
60 human-written examples
A leading authority on Anglo-Saxon England.
Encyclopedias
established him as a leading authority on resonator guitars.
Emerson's argument was countered by Elliott Joslin, a leading authority on diabetes, and Joslin won out.
News & Media
Ed Rosenthal is recognized worldwide as a leading authority on marijuana.
Academia
The procedure begins with designation of a leading authority from amongst the data protection authorities (DPAs).
Academia
This edition contains extensive introductions by Shlomo Pines and Leo Strauss, a leading authority on Maimonides.
Academia
Joshua P. Smith is a leading authority on and a collector of avant-garde photography.
A leading authority on European law also poured cold water on the idea.
News & Media
Chris Baker, a leading authority on Thai history, sees the historical censorship as misguided.
News & Media
This is what Sir Ken Robinson, a leading authority on education reform, calls the "industrial model" of education.
News & Media
In addition, a leading authority on urban policing, William J. Bratton, toured Oakland last week as the department's new consultant.
News & Media
Expert writing Tips
Best practice
When using "a leading authority", ensure the individual or institution genuinely possesses recognized expertise in their field. Provide evidence or context to support this claim, such as publications, awards, or affiliations.
Common error
Avoid using "a leading authority" when the individual or source's expertise is questionable or not widely recognized. This can damage credibility and mislead the audience.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a leading authority" functions as a noun phrase, specifically serving as an appositive or descriptor to identify and characterize an individual or entity recognized for their expertise and influence in a particular field. As Ludwig AI confirms, this phrase is widely used and grammatically sound.
Frequent in
News & Media
39%
Academia
33%
Encyclopedias
5%
Less common in
Science
9%
Formal & Business
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "a leading authority" is a grammatically correct and frequently used phrase to denote someone or something with recognized expertise and influence. Ludwig AI confirms its validity. Predominantly found in news and media and academic contexts, its formality ranges from neutral to formal. When employing this phrase, ensure the subject genuinely possesses the claimed expertise to maintain credibility. Consider related alternatives like "a foremost expert" or "an eminent figure" for nuanced expressions.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
a foremost expert
Emphasizes the individual's expertise and position at the front or head of their field.
a top expert
Highlights the individual's ranking and superior knowledge or skill.
an eminent figure
Focuses on the individual's high reputation and respect within their domain.
a renowned specialist
Highlights the individual's specialized knowledge and widespread recognition.
an established expert
Underscores the individual's long-term experience and credibility.
a principal expert
Indicates that the individual is one of the most important or influential figures.
a dominant voice
Highlights the individual's influence and power to shape opinions.
a respected authority
Focuses on the high regard held for the individual's expertise.
a master in the field
Highlights that the individual is an accomplished master of their craft.
an influential figure
Emphasizes individual's ability to have an effect on the course of events or on the decisions of others.
FAQs
How can I use "a leading authority" in a sentence?
You can use "a leading authority" to introduce someone or something that is considered an expert in a particular field. For instance, "Dr. Jane Doe, a leading authority on astrophysics, will be presenting her research."
What are some alternatives to "a leading authority"?
Alternatives include "a foremost expert", "a top expert", or "an eminent figure", depending on the specific nuance you want to convey.
Is it appropriate to use "a leading authority" in formal writing?
Yes, "a leading authority" is appropriate for formal writing, especially when introducing someone or something that is widely recognized and respected in their field. It lends credibility and weight to your statement.
What distinguishes "a leading authority" from "an expert"?
"A leading authority" suggests a higher degree of recognition and influence compared to simply "an expert". A leading authority is often at the forefront of their field, shaping opinions and driving advancements.
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested