Delphine Mary Vera Parrott (2 May 1928 – 17 January 2016) was a renowned British endocrinologist, immunologist, and academic. She made significant contributions to the field of medical research during her career. Parrott began her research at the National Institute for Medical Research in the 1950s and continued at the Imperial Cancer Research Fund in the 1960s. In 1967, she joined the University of Glasgow and made history as its first female professor in 1973. Parrott also held the prestigious Gardiner Professor of Immunology position at the university from 1980 until her retirement in 1990. Her groundbreaking work and dedication led to her being honored as an honorary member of the British Society for Immunology. Born in Dulwich in 1928, Parrott studied physiology at Bedford College and later obtained her doctorate at King's College London School of Medicine. She passed away on 17 January 2016 at the age of 87. Delphine Mary Vera Parrott's remarkable contributions have left an indelible mark on the field of medical research, and her legacy continues to inspire future generations of scientists.

Delphine Hanna (December 2, 1854 – April 16, 1941) was an influential American physician, teacher, and professor, renowned for her pioneering work in physical education. Born in Markesan, Wisconsin, she pursued her passion for education and physical culture, earning a teaching credential from Brockport State Normal School and a medical degree from the University of Michigan. In 1885, she joined Oberlin College where she played a pivotal role in shaping the physical education landscape. Notably, in 1903, she became the first woman in the United States to hold the title "Professor of Physical Education." Hanna's contributions extended beyond academia, as she directed the Women's Gymnasium and implemented innovative programs, including the establishment of the first four-year program for women to earn a bachelor's degree in physical education. Her impact on the field is evidenced by the influence she had on her students, many of whom went on to become prominent physical educators. After retiring in 1920, Hanna's legacy continued through the establishment of the Delphine Hanna Foundation and the annual Delphine Hanna Lecture in her memory. She passed away in 1941, leaving behind a lasting imprint on the world of physical education.

Delphine Pelletier, born on June 16, 1977, in Bourges, is a renowned French athlete specializing in triathlon. She showcased her exceptional skills at the 2004 Summer Olympics, marking her participation in the prestigious event. Pelletier's remarkable achievements include clinching the title of French champion an impressive ten times, solidifying her status as a dominant force in the sport. With an illustrious career and a commendable track record, Delphine Pelletier continues to inspire and captivate enthusiasts worldwide with her unwavering passion and dedication to triathlon. For more information about her accomplishments and journey, you can refer to her profile on World Triathlon, IAT Triathlon Database, Olympics.com, and Olympedia.

Delphine Levy (1969 – 13 July 2020) was a distinguished French manager of cultural institutions, best known for her role as the director of Paris Musées from 2013 to 2020. Having graduated from the prestigious École nationale d’Administration (ENA), she dedicated her career to enhancing the distinct cultural attributes of museums and other cultural edifices throughout France. Levy was renowned for her focus on promoting exhibitions that were often deemed too daring to secure funding, thereby enriching the artistic landscape. Tragically, Levy passed away on 13 July 2020 at the age of 51, leaving behind a legacy of innovation and commitment to the preservation and celebration of art and culture.

Delphine Anderson Squires (January 8, 1868 – November 21, 1961) was a prominent journalist, suffragist, and women's advocate in Nevada. Born in Portage City, Wisconsin, her original career plan was to become a music teacher. However, her life took a different turn when she and her husband, Charles Pember Squires, moved to Las Vegas in 1905. Delphine wrote for the Las Vegas Age, using her platform to advocate for women's voting rights and joining various women's rights organizations.In 1911, she co-founded the Mesquite Club, a civic service organization, and served as its second president from 1912 to 1914. She also represented Nevada at the General Federation of Women's Clubs and spoke at suffrage meetings in New York City. Delphine's efforts were crucial in securing women's suffrage in Nevada and are commemorated by a historical marker in downtown Las Vegas.Delphine Anderson Squires' legacy extends beyond her advocacy work; she was also a founding member of the Las Vegas Library and was known for her philanthropy and neighborliness. Her diplomatic approach to securing women's right to vote set her apart from other activists, making her a trailblazer for hospitality in early Las Vegas.