List of Famous people who are 67

Leonard Mlodinow is an American theoretical physicist and mathematician, screenwriter and author. In physics, he is known for his work on the large N expansion, a method of approximating the spectrum of atoms based on the consideration of an infinite-dimensional version of the problem, and for his work on the quantum theory of light inside dielectrics.

Barry Ackroyd, BSC is an English cinematographer. Ackroyd has frequently worked with directors Ken Loach and Paul Greengrass. He worked on Kathryn Bigelow's 2008 war film The Hurt Locker as well as the critically acclaimed 2013 biographical thriller Captain Phillips, the former earning him a BAFTA Award and an Academy Award nomination for Best Cinematography. In 2014, Ackroyd became the president of the British Society of Cinematographers.

David Frank Paich is an American musician, songwriter, singer, and record producer, best known as the co-founder, principal songwriter, keyboardist, and occasional singer of the rock band Toto since 1976. Paich wrote or co-wrote much of Toto's original material, including the band's three most popular songs: "Hold the Line", "Rosanna" and "Africa". With Toto, Paich has contributed to 17 albums and sold over 40 million records. Additionally, Paich has worked as a songwriter, session musician, and producer with a host of artists including Boz Scaggs and Michael Jackson.

Lawrence Maxwell Krauss is an American theoretical physicist and cosmologist who previously taught at Arizona State University, Yale University, and Case Western Reserve University. He founded ASU's Origins Project, now called ASU Interplanetary Initiative, to investigate fundamental questions about the universe and served as the project's director.

David Alexander Vogan, Jr. is a mathematician at the Massachusetts Institute of Technology who works on unitary representations of simple Lie groups.

Dafydd Rhys Williams OC OOnt CCFP FCFP FRCPC FRCP is a Canadian physician, public speaker, CEO, author and a retired CSA astronaut. Williams was a mission specialist on two space shuttle missions. His first spaceflight, STS-90 in 1998, was a 16-day mission aboard Space Shuttle Columbia dedicated to neuroscience research. His second flight, STS-118 in August 2007, was flown by Space Shuttle Endeavour to the International Space Station. During that mission he performed three spacewalks, becoming the third Canadian to perform a spacewalk and setting a Canadian record for total number of spacewalks. These spacewalks combined for a total duration of 17 hours and 47 minutes.

Ronald John Greschner is a Canadian former professional ice hockey defenceman who played in the National Hockey League (NHL) for 16 seasons between 1974 and 1990.

Vladimir Yuryevich Osokin is a retired Soviet cyclist. He won a silver and a gold medal in the 4000 m team pursuit at the 1976 and 1980 Summer Olympics, respectively; individually, he finished in fourth and fifth place. Between 1975 and 1981 he won five silver medals in the individual and team pursuit at the world championships.