The phrase "a distinguished expert" is correct and usable in written English.
It can be used to describe someone who is highly respected and knowledgeable in a particular field or subject.
Example: "Dr. Smith is a distinguished expert in environmental science, having published numerous influential papers on climate change."
Alternatives: "a renowned specialist" or "a respected authority".
Being a major poetry critic in the United States today may seem like a dubious honor, almost akin to being the best American cricketer, or a distinguished expert on polka.
Dr. John A. Harriss, a distinguished expert on traffic control, went as far as to propose damming and draining the East River, before replacing it with a five-mile-long network of vehicular and train tunnels topped by boulevards and promenades.
A distinguished expert of the Romantic period in English literature, Chandler also has specialized in studies of the history of the novel; the relationship between politics and literature, and history and criticism; and cinema studies.
It is headed by M. Cherif Bassiouni, a distinguished expert in human rights and war crimes, and includes Nigel Rodley, member of the United Nations Human Rights Committee.
Working them out was to take much of my life". That 11-year-old grew up to be a distinguished expert on American intellectual history.
Professor David Nutt, a distinguished expert, was sacked from an official UK position for estimating in 2009 that the risk of death was greater from horse riding than from taking ecstasy".
A number of the most distinguished expert voices in later Latin poetry, as well as some of the most promising new scholars, have been specially commissioned to write original material for this volume.
The eminent Mr. Gboyega, a chocolate-skinned Nigerian, educated in London, distinguished expert on the history of the British Empire, had resigned in disgust when the West African Examinations Council began talking of adding African history to the curriculum, because he was appalled that African history would even be considered a subject.
Gandomkar, Tay, Brennan, and Mello-Thoms (2017) developed a model with 86.3% and 85.2% sensitivity and specificity, respectively, that distinguished expert and less experienced radiologists based on the spatial dynamics of their eye movements.
As the distinguished expert Andrei Lankov put it, North Korea now has nothing to lose.
Distinguished expert panels declared that their confidence in mammography was shaken.
