Question

why did einstein develop his ideas in secret?​

Answer 1

$<marquee>Einstein called his desk drawer at the patent office the “bureau of theoretical physics”. Einstein was actually developing his own ideas in secret and his drawer had all the evidences which could reveal the secret$

Answer 2

Answer:

Einstein also felt a special interest in a fellow student, Mileva Marie, whom he found to be a “clever. creature” and whom he married later. ... While he was supposed to be assessing other people's inventions, Einstein was actually developing his own ideas in secret.