by Linda Harris Sittig

Each summer, I often think back to July 1969 and where I was when Neil Armstrong walked on the moon.
I was sitting with a bunch of friends, our eyes glued to a TV. I have seen the replay so many times, but nothing compared to the historic moment itself. And as I watched an American astronaut step on the moon, a planetary object that I could actually see myself, I became interested in space.
Fast forward to January 12, 1986: we were in Florida, standing near Cape Canaveral in the early morning with our two nine-year-old daughters to watch the launch of Columbia (the last successful launch before the Challenger tragedy).
When the rockets ignited and lifted off into space, it was an unforgettable experience. And thanks to Judith Love Cohen, the Columbia astronauts did not have to endure the gut-wrenching terror of re-entry that the three Apollo 13 astronauts experienced in April 1970.
Judith Love Cohen
Never heard of Judith? I’m not surprised. Part of the credit for the successful operation of Apollo 13 was attributed to the company she worked for – TRW. But without naming any of the aerospace engineers. So, I researched her, and then I watched the movie Apollo 13 (again).
Born in 1933 into a Jewish family in Brooklyn, Judith was gifted at math even from an early age. By fifth grade, other students were asking her to help them with their math homework. In high school, she approached a guidance counselor about majoring in math in college. The reply was that it would be more helpful if instead, she learned to be a lady. Judith left the room more intent than ever to go to college.
At the end of high school, she received a scholarship to study math at Brooklyn College, but once there, she decided engineering was more interesting and switched majors.
Within the next two years, she met and married Bernard Siegel, and they moved to California for his job. In California, she attended night classes at the University of Southern California, allowing her to take care of their children during the day. She received both a Bachelor of Science and a Masters of Science, majoring in engineering. During her collegiate years, she said she never met another female engineering student. This would have been in the 1950s.
After completing her education, she accepted an engineering position at Space Technology Laboratories (which later became TRW). She stayed with them until her retirement in 1990.
Eventually, her marriage to Bernard Siegel did not last, and she remarried Thomas Black, with whom she had her fourth child, Jack Black (now a famous actor). An interesting tidbit that shows her dedication to her career is that while she went into labor with Jack, she was working on a complicated engineering problem. She took her engineering calculator with her to the hospital, figured out the answer, phoned it in to TRW, and THEN gave birth.
Now, let’s revisit Apollo 13
The mission occurred in April of 1970. Neil Armstrong had walked on the moon the previous year, and the goal of the Apollo astronauts was to do the same. But an explosion of an oxygen tank two days into the anticipated eight-day mission suddenly changed everything.
The explosion forced the three astronauts—Jim Lovell, Jack Swigert, and Fred Haise to move from the command module into the Lunar Module (Aquarius) and use it as a makeshift lifeboat. Gone was the dream of walking on the moon. The mission now became a recovery to return safely to Earth. However, there were more problems. NASA engineers now had to calculate how to get Apollo 13 to travel around the moon and use the moon’s gravity to enable a slingshot trajectory back to the correct angle for re-entry to Earth.
With less electric power than in the command module, the astronauts needed to align the lunar module with planet Earth so they could leave deep space and travel in a free return loop into the re-entry corridor.
But again, problems. The three men were breathing more C02 due to the limited supply of oxygen. The module had to operate in near-freezing temperatures, and they had to manually operate the critical ‘burns’ to hit the exact angle of re-entry without the module burning up. At this point, they had been stuck in the smaller spacecraft for 3 days and were well aware of the potential failure to survive.
The Legacy
This is where we should all applaud Judith Love Cohen.
Judith helped to design the AGS – Abort Guidance System, which would manually align the spacecraft for the last critical burn and correct the trajectory of the lunar module on its path back to planet Earth. At this point, the spacecraft would be hurtling at a speed of 25,000 mph as they hit Earth’s atmosphere at 5,000 degrees Fahrenheit.
All of America waited and prayed for the spacecraft to become visible and intact.
After the successful splashdown occurred and the astronauts were retrieved, they publicly thanked TRW for saving their lives. Judith was there in the crowd, with the TRW team. And I am sure she was acutely aware that she represented the less than 1% of all aerospace engineers who were female. Today that number has swelled to 11–15%, but Judith Love Cohen was an early trailblazer.
Thank you to blog follower Mary Bowser who alerted me to Judith.
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As I finish this month’s blog, Judith is Woman #173 that I have researched during the 14 years of the blog. My other writing passion is my novels, all featuring strong women:
Cut From Strong Cloth, Last Curtain Call, Counting Crows, B-52 DOWN, Opening Closed Doors, and soon-to-be-released Chasing the Tides. All of them are available online and in bookstores.
~ Linda








