Hoping to continue their winning streak, the Bears flew to Cowboys Stadium for an NFC matchup with the Cowboys. In the first quarter Chicago took the early lead as kicker Robbie Gould nailed a 38-yard field goal. Then they trailed with WR Dez Bryant returning a punt 62 yards to the endzone for a touchdown. While the Cowboys were able to pressure quarterback Jay Cutler in the early stages of the game, the Bears' offense made adjustments and regained momentum.  The Bears got the lead back when Cutler made a 39-yard TD pass to tight end Greg Olsen. In the second quarter the Bears trailed again when QB Tony Romo made a 1-yard touchdown pass to RB Chris Gronkowski, but took the lead with Cutler making a nine-yard TD pass to WR Devin Hester. The Bears increased their lead when kicker Robbie Gould made a 40-yard field goal. In the third quarter Dallas would reply with kicker David Buehler nailing a 28-yard field goal. The Bears increased their lead in the fourth quarter when Cutler made a three-yard TD pass to RB Matt Forte. The Cowboys made the final score of the game with Buehler hitting a 48-yard field goal.

Based on the above article, answer a question. Who kicked the longest field goal?
Buehler