Original sentence: After their marriage, Mileva sacrified her professional goals, helping Einstein's career instead.Einstein and Mileva had two sons and a daughter; the daughter Lieserl was born before they married and died in childhood.Hans Albert, their older son, became a professor in hydraulic engineering at the University of California, Berkeley.Mileva was born in Titel in Vojvodina, from a Serbian family.This was a topic relevant in Einstein's studies of Brownian motion, discussed in one of his famous three papers published in 1905
Edited sentence: After their marriage, Mileva has sacrified her professional goals, helping Einstein's career instead.Einstein and Mileva had two sons.Hans Albert, her older son, became a professor in hydraulic engineering at the University of California, Berkeley.Mileva entered his life in a crucial period of his scientific achievements, helping him tremendously.Mileva was born in Titel in Vojvodina, from Serbian family.She was Einstein's companion, colleague, and confidante, whose influence in his most creative years was enormous.Their illegitimate daughter Lieserl was born before they married and died in childhood.This was a topic relevant in Einstein's studies of Brownian motion, discussed in one of his famous three papers published in  1905