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Jakob SteinerBorn 18 Mar 1796; died 1 Apr 1863 at age 67.Swiss mathematician who was one of the greatest, contributors to projective geometry. He discovered the Steiner surface which has a double infinity of conic sections on it. The Steiner theorem states that the two pencils by which a conic is projected from two of its points are projectively related. He is also known for the Poncelet-Steiner theorem which shows that only one given circle and a straight edge are required for Euclidean constructions. His work included conic sections and surfaces, the theory of second-degree surfaces and centre-of-gravity problems. He developed the principle of symmetrization (1840-41). In 1848 he ws the first to define various polar curves with respect to a given curve, and introduced the “Steiner Curves.”«
A judge was interviewing a woman regarding her pending divorce, and asked, "What are the grounds for your divorce?"
She replied, "About four acres and a nice little home in the middle of the property with a stream running by."
"No," he said, "I mean what is the foundation of this case?"
"It is made of concrete, brick and mortar," she responded.
"I mean," he continued, "What are your relations like?"
"I have an aunt and uncle living here in town, and so do my husband's parents."
He said, "Do you have a real grudge?"
"No," she replied, "We have a two-car carport and have never really needed one."
"Please," he tried again, "is there any infidelity in your marriage?"
"Yes, both my son and daughter have stereo sets. We don't necessarily like the music, but the answer to your questions is yes."
"Ma'am, does your husband ever beat you up?"
"Yes," she responded, "about twice a week he gets up earlier than I do."
Finally, in frustration, the judge asked, "Lady, why do you want a divorce?"
"Oh, I don't want a divorce," she replied. "I've never wanted a divorce. My husband does. He said he can't communicate with me!"