In an era where the tea party republicans, Sarah Palin, Newt Gingrich, Michelle Bachmann, Rick Perry, Scott Brown, Marco Rubio, Ted Cruz, Mike Huckabee, Rick Santorum, and other right wing elements seem to be getting all the news, the moderate civil Republicans seem to be forgotten.
Two recent developments, the death at 103 of Edgar Wayburn (5 time president of the Sierra Club) and the retirement of Supreme Court Justice Stevens, reminded me of a few of the good ones.
See A Look at How Very Conservative Republicans View the 2016 Candidates

Here is are some of my favorite Republicans:

Abraham Lincoln
Theodore Roosevelt
Dwight Eisenhower
Edgar Wayburn - Sierra Club President - Became a Democrat late in life.
William Kent - CA Congressman - Independent in later years
Earl Warren - CA governor, Chief Justice of the Supreme Court
Millicent Fenwick - NJ Congareswoman - Walter Cronkite called her "The conscience of Congress."
  (Gary Trudeau modeled his Doonesbury cartoon character Lacey Davenport after her)

Current and retired Moderate Republicans:
John_McCain (before he recruited Palin) Vietnam Veteran,
   U.S. Senator from Arizona, Supported campaign finance ferorm..
Sandra Day O'Connor - Supreme Court Justice
John Paul Stevens - Supreme Court Justice
Colin Powell - General, Chairman of Joint Chiefs, Secretary of State
Tom Kean - NJ Governor
Michael Bloomberg - Mayor of New York City - Republican (2001-2007), Independent (2007-)

Arnold Schwarzenegger - CA Govenor
Olympia Snowe - Main Senator
Christine Todd Whitman
Rockefeller Republicans - Nelson (Vice President under Ford, Governor of NY),
 David (CEO of Chase Manhattan),
  founder of Republicans Who Care, that supported moderate Republican candidates. - 
  
Michael Gerson