Matt Bloomfield has left promotion chasing Wycombe Wanderers to take the job at Kenilworth Road.
Bloomfield, who has has signed a three-and-a-half-year contract, succeeds Rob Edwards, who left Luton last week with the club just two points above the Championship relegation zone.
The Chairboys are second in League 1 and travel to Mansfield on Saturday.

Mindset United celebrates their one year anniversary
Food waste recycling expanding to flats in the south of Buckinghamshire
Bucks Olympians going for gold in Italy
Bucks charity launches overnight Hospice at Home service
New double yellows for street
Amnesty for blank guns now classed as illegal
Aylesbury Arm of canal re-opened
Bucks community groups eligible to benefit from £200,000 seized from criminals











