Baker Street Regent's Park, the junction with Park Road, parallel to Gloucester Place, meeting Marylebone Road, Portman Square and Wigmore Street. At the junction with Wigmore Street, Baker Street turns into Orchard Street, which ends when it meets with Oxford Street. After Portman Square the road continues as Orchard Street. Baker Street was laid out in the 18th century by the builder William Baker, after whom it is named. In 1835, the first wax museum of Madame Tussauds was opened on Baker Street. The museum moved, just around the corner, to Marylebone Road in 1884. Also in 1835 the sculptor James Fillans
Baker Street Irregulars and one shilling) for a vital clue, to collect data for his investigations. The group appears in the first Sherlock Holmes story, "A Study In Scarlet" (1887). They also appear in the next novel, "The Sign of the Four" (1890), in which one of the chapters is titled "The Baker Street Irregulars". The Baker Street Irregulars ("my Baker Street boys") later appear in "The Adventure of the Crooked Man" (1893). Baker Street Irregulars The Baker Street Irregulars are fictional characters who appear in various Sherlock Holmes stories, as street boys who are employed by Holmes as intelligence agents. The name