John P. Rosen, of the firm of Rosen, Olander & Co., dealers in general merchandise, is a native of Sweden. In 1869, he came to Oakland Precinct; in 1878, he formed a company known as J. P. Rosen & Co., who bought out the stock of Samuel Fried, carrying on this business till the fall of 1879. He then bought out his former partners and formed the company of Rosen, Olander & Co., which has since continued. He was married, in 1880, to Clara E. Peel, of Des Moines, Iowa. They have one daughter.