Which scientist never revealed the secret of his discovery?

 One notable example of a scientist who is said to have taken a significant secret to his grave is Gregor Mendel. Mendel, an Austrian scientist and Augustinian friar, is often referred to as the father of modern genetics for his pioneering work with pea plants in the mid-19th century.

Mendel's work, published in 1866, outlined the principles of inheritance and the laws of segregation and independent assortment. Despite the importance of his discoveries, Mendel's work went largely unnoticed during his lifetime, and he faced challenges in gaining recognition.

It's important to note that Mendel did present his findings to scientific audiences, but the impact of his work wasn't fully appreciated until later in the 20th century when the field of genetics underwent significant development. Mendel died in 1884, and it is believed that he may not have fully grasped the profound implications of his work, as he did not actively promote or publicize it extensively.

While Mendel did not experience the same level of recognition during his lifetime as some other scientists, his work laid the foundation for the field of genetics and had a profound and lasting impact on biology.