Rosalind Franklin, a British biophysicist and X-ray crystallographer, played a critical role in the discovery of the structure of DNA. There were cultural and institutional barriers that hindered women from pursuing scientific careers and receiving recognition for their achievements. It was not until decades later that Franklin's contributions were more fully acknowledged and celebrated. However, Franklin died of ovarian cancer in 1958 and the Nobel Prize is not awarded posthumously, which is why Franklin was not able to receive the prize along with Watson and Crick.

**Rosalind Franklin's Early Life and Education:**
- Born on July 25, 1920, in London, Rosalind Elsie Franklin showed an early aptitude for science. She attended St Paul's Girls' School, where her exceptional academic abilities became evident.
- Franklin pursued her education at Newnham College, Cambridge, graduating with a degree in chemistry in 1941. Later, she earned a Ph.D. in physical chemistry from the University of Cambridge.

**Contributions to X-ray Crystallography:**
- Franklin's interest in X-ray crystallography began during World War II when she worked on the structural chemistry of coals. Her expertise in this technique grew, leading her to explore the structures of biological molecules.

**Work at King's College London:**
- In 1951, Franklin moved to King's College London, where she joined Maurice Wilkins in studying the structure of DNA using X-ray crystallography.
- Franklin's X-ray images, particularly Photograph 51, provided crucial data on the helical structure of DNA, although the interpretation of her data became a point of contention.

**Research on Viruses and Career Challenges:**
- Franklin made significant contributions not only to DNA but also to the understanding of the tobacco mosaic and polio viruses.
- Despite her scientific prowess, Franklin faced challenges, including strained relationships with colleagues. Her work on DNA coincided with challenges in her professional environment.

**Legacy in Molecular Biology:**
- Franklin's work laid the groundwork for advancements in molecular biology. Her structural studies of DNA, RNA, viruses, and more provided invaluable insights.
- Her legacy extends beyond DNA; Franklin's contributions to the understanding of the structure of coal and viruses also left a lasting impact.

**Recognition Posthumously:**
- Recognition for Franklin's pivotal role in the discovery of DNA's structure increased in later years. Biographers, scientists, and the public came to appreciate the significance of her contributions.
- The 1968 biography "Rosalind Franklin: The Dark Lady of DNA" by Brenda Maddox played a crucial role in bringing Franklin's story to a wider audience.

**Gender Biases and Recognition of Female Scientists:**
- Franklin faced challenges due to the gender biases prevalent in the scientific community during her time. It took decades for the scientific community to acknowledge and address the unjust treatment she endured.
- Franklin's experiences became emblematic of the broader struggles faced by women in science, prompting discussions on gender equality and representation in the scientific field.

**Ovarian Cancer and Untimely Death:**
- Tragically, Rosalind Franklin's life was cut short by ovarian cancer. She passed away on April 16, 1958, at the age of 37.
- Franklin's untimely death deprived her of the opportunity to witness the increasing recognition of her contributions and the changing landscape for women in science.

In conclusion, Rosalind Franklin's contributions to X-ray crystallography were foundational to the understanding of DNA's structure. Her legacy extends beyond her groundbreaking work, symbolizing resilience in the face of gender biases. Although she did not receive the Nobel Prize, her impact on molecular biology is widely acknowledged and celebrated today.