- Brett D. Steele
Flügge-Lotz, Irmgard (16 July 1903–22 May 1974), aeronautical engineer, was born in Hameln, Germany, the daughter of Oskar Lotz, a journalist with a fondness for mathematics, and Dora Grupe. She attended elementary school at Frankenthal and in Mönchen-Gladbach. Providing early encouragement for his daughter’s interest in engineering and mathematics, Oskar Lotz enrolled Irmgard in a girl’s Gymnasium in Hanover, shortly before he was drafted into World War I. This military service permanently ruined his health, thereby preventing him from resuming an active professional life. Irmgard consequently had to help support her family by tutoring younger students in mathematics and Latin....