Quetelet was a Belgian astronomer, mathematician, statistician and sociologist. ANOVA was developed by statistician and evolutionary biologist Ronald Fisher. He is married to mathematician/statistician Lisa Goldberg. Wilson later became a statistician and economist for the coal industry. A key step was the work of the British biologist and statistician Ronald Fisher. The next key step was the work of the British biologist and statistician Ronald Fisher. The Specialist series&colon; M55 (The Mathematician), N60 (The Navigator), S61 (The Statistician). He was an American statistician and educator. The 15th Chief Statistician, David Kalisch stated that no census data were compromised. The head of Statistics Canada is the "Chief Statistician of Canada". Len Cook was the first Director to hold the newly created role of National Statistician. He is noted as an exceptional statistician but also an open racist. Sir George Knibbs was appointed as the first Commonwealth Statistician. The agency's hazard statistician, Robin Ingle, was not allowed to present a rebuttal. There he was influenced by statistician Lemuel Shattuck.