Did you mean: Johannes Stadiums
Johannes Stadius or Estadius, was a Flemish astronomer, astrologer, and mathematician. He was one of the important late 16th-century makers of ephemerides, which gave the positions of astronomical objects in the sky at a given time or times. Wikipedia
Born: May 1, 1527, Loenhout, Wuustwezel, Belgium
Died: October 31, 1579 (age 52 years), Paris, France