Source: wikibot/william-d-coolidge
= William D. Coolidge
{wiki=William_D._Coolidge}
William D. Coolidge was an American physicist and engineer known for his significant contributions to the field of x-ray technology. He is best known for inventing the Coolidge tube in 1913, which was one of the first practical x-ray tubes. This invention improved the quality and reliability of x-ray imaging, allowing for better medical diagnoses and advancements in radiology.