Could you briefly describe one of the reformers of the 19th and early 20th centuries?

One of the most prominent reformers in Russian history is Interior Minister Reitern. He carried out reformist activities under Alexander 3. Despite this, his decisions were liberal and contributed to the development and promotion of the industrial revolution in Russia. He adopted reforms on the silver backing of the ruble. He carried out innovations to improve the economy. He also encouraged the development of railway construction and industry. Reitern was a supporter of the sale of Alaska in 1867.