She was the daughter of Anne Boeltz and Theodore Kober who worked on the Zeppelin airship.

Before going to college, Essers established a new method for calculating measures against the buckling of steel girders.

Essers moved to Berlin where she worked in the aerodynamics department of the Aviation Research Institute.

While there Essers discovered how the balance on flaps and rudders affected wing vibrations.

Essers moved several times from Kiel in 1929 to Berlin in 1944 and Radolfzell on Lake Constance before returning to Aachen in 1946.