[DOC] [TLE] Greenleaf Whittier Pickard | American electrical engineer | Britannica ... [PAR] U.S. electrical engineer who invented the crystal detector (one of the first devices 
widely used for receiving radio broadcasts) and who was also ... Pickard, who 
was a grandnephew of the poet John Greenleaf Whittier, was educated at 
Harvard... [DOC] [TLE] Greenleaf Whittier Pickard - Wikipedia [PAR] Greenleaf Whittier Pickard was a United States radio pioneer. Pickard was a 
researcher in the early days of wireless. He was responsible for the development 
of the crystal detector, (cat's whisker detector), a radio wave detector which was ... 
Pickard's loop antenna had directional properties that could be used to reduce... [DOC] [TLE] Greenleaf Pickard - An Untold Romance of Invention by S. K. Hibbert ... [PAR] A grandnephew of the poet Whittier, the future radio inventor knew in his early ... 
that resulted in the development of the crystal detector as commonly used today. [DOC] [TLE] Road to the Transistor - Jed Margolin [PAR] The transistor was invented in 1947 at Bell Labs by the team of John ... In October 
1906, Greenleaf Whittier Pickard (the grandnephew of the poet John Greenleaf 
Whittier) received a patent on a method for receiving radio signals that .... were 
too expensive for most hams, so most of their radios used these crystal detectors. [DOC] [TLE] Crystal Radios: The Beginnings of Wireless - PV Scientific Instruments [PAR] A brief history of the wireless crystal radio. ... At the turn of the 20th century, an 
American scientist, Greenleaf Whittier Pickard, found that a number of naturally... [DOC] [TLE] WARCI News - WARCI.org [PAR] Crystal Radio Sets - History and Wisconsin. Western Coil ..... or detector is used 
to extract the sound signal from the carrierto ... the grandnephew of the poet 
John Greenleaf Whittier. ..... G. W. Pickard, How I Invented the Crystal Detector,. [DOC] [TLE] THE LURE OF THE UNRECORDED - Whittier Birthplace [PAR] Nov 12, 2012 ... The Little Known Story of Greenleaf Whittier Pickard ... grand nephew a brat and 
once remarked, That boy isn't worth raising. ... crystal detectorin 1906. ... 
sultant, performing services in 1904 for Lee DeForest, the inventor of the ... 
Pickard continued his radio experiments at the poet's former Amesbury. [DOC] [TLE] aiee personalities - IEEE Xplore [PAR] tection of pilot wires used in protective relay ing in collaboration with the ... Radio 
Engineers to avoid duplication of effort. ..... and inventor, born in 1877, grand 
nephew of poet John Greenleaf Whittier died January 8,. 1956. ... he invented the 
crystal detector, the radio compass, and the static eliminator. Dr. Pickard held 
engi. [DOC] [TLE] Pickard, Greenleaf WhittierEncyclop dia Britannica Article - eb - EnWiki [PAR] U.S. electrical engineer who invented the crystal detector (one of the first devices 
widely used for receiving radio broadcasts) and ... Pickard, who was a 
grandnephew of the poet John Greenleaf Whittier, was educated at ... detector to 
recover the audible signal that had been impressed on the radio-frequency 
carrier waves. [DOC] [TLE] radio's - American Radio History [PAR] Invented an Electrostatic Telephone. 1844 -1940 ... GREENLEAF WHITTIER 
PICKARD. 187. Introduced Crystal ..... Where are the crystal detectors that 
transformed electric impulses from ...... became the first detector of wireless 
waves to be used by Marconi ...... of radio phenomena, was the grand- nephew of 
the poet John. [DOC] [TLE] RA April 2009.pub (Read-Only) - Mid-Atlantic Antique Radio Club [PAR] Inventor Edwin Howard Armstrong, who had closer .... triplers into dual 750Ts. 
Another REL design used. 1500Ts. In the ..... the poet John Greenleaf Whittier. 
He was. This electrical engineer was the grand-nephew of the ... Greenleaf 
Whittier Pickard, who carefully researched ... In addition to his work on crystal 
detectors,. [DOC] [TLE] The Daily News from Huntingdon, Pennsylvania  Page 2 [PAR] ... in which no artificial means is used, but the mother's natural forces are called 
into .... grandnephew of poet John Greenleaf Whittier and a well known inventor, 
died ... Pickard was credited with inventing numerous radio devices including the 
... nation's transportation sys-

Question: This poet's grandnephew, Greenleaf Whittier Pickard, invented the crystal detector used in radio
Answer: John Greenleaf Whittier