Mildred S. Dresselhaus, often referred to as the "Queen of Carbon," was a prominent physicist and electrical engineer known for her groundbreaking work in materials science, particularly in carbon materials such as graphite and carbon nanotubes. Her research significantly contributed to the understanding of the electronic properties of these materials, influencing various fields including nanotechnology and renewable energy. Dresselhaus's work laid the foundation for numerous applications in electronics and materials engineering. Throughout her career, Dresselhaus faced and overcame considerable barriers in a male-dominated field. She championed greater participation of women in science and technology, inspiring many through her advocacy and mentorship. Her contributions to science earned her numerous awards and honors, including the National Medal of Science and being elected to the National Academy of Engineering. In addition to her research contributions, Dresselhaus promoted education and research leadership, serving as a role model for aspiring scientists. She was a professor at MIT for many years, where she influenced generations of students. Her legacy continues in the ongoing research and development in materials science that her work helped to advance. Mildred S. Dresselhaus was a pioneering physicist and electrical engineer whose work changed the landscape of materials science, particularly in the study of carbon materials. She was a trailblazer for women in science, advocating for diversity and inclusion in STEM fields while also achieving remarkable success in her own research endeavors. At MIT, she inspired countless students and researchers, ensuring that her influence will continue to be felt in the scientific community for years to come.