Which mathematician was the father of physicist Nikolai Borisovich Delone: Jakow Trachtenberg or Boris Delaunay?
Jakow Trachtenberg Jakow Trachtenberg (17 June 1888 – 1953) was a Jewish mathematician who developed the mental calculation techniques called the Trachtenberg system.
Trachette Jackson Trachette Levon Jackson (born July 24, 1972) is an African-American mathematician who works as a professor of mathematics at the University of Michigan and is known for work in mathematical oncology. She uses many different approaches, including continuous and discrete mathematical models, numerical simulations, and experiments to study tumor growth and treatment. Specifically, her lab is interested in "molecular pathways associated with intratumoral angiogenesis", "cell-tissue interactions associated with tumor-induced angiogenesis," and "tumor heterogeneity and cancer stem cells".