13502608 - Benjamin Silliman, American chemist13501760 - Joseph Jerome Lalande, French astronomer13951843 - Charles Bell, Scottish anatomist, illustration13505045 - Ida Tarbell, American writer and investigative journalist13765567 - Portrait of Dame Ellen Terry13501669 - John Tyndall, Irish physicist and medical educator13272849 - University lecture12903889 - Guillaume Francois Rouelle, French chemist12916286 - John William Strutt, 3rd Baron Rayleigh, British scientist13505036 - Ida Tarbell, American writer and investigative journalist12901797 - The Lecture, (1885)13502234 - Adam Smith, Scottish philosopher and economist13501563 - William Cheselden, English surgeon12903037 - Pierre Curie, French chemist12655239 - Susan B. Anthony, American Civil Rights Leader12904027 - Heinrich Schliemann lecturing in London, 187712903059 - Lord Kelvin, Scottish mathematician and physicist, 189912914511 - Edward James Muybridge, photography pioneer13501761 - Joseph Jerome Lalande, French astronomer12916479 - Michael Faraday lecturing at the Royal Institution, London13635454 - Speaker giving a speech to a field of sheep, illustration13635457 - Ceasefire negotiations, conceptual illustration12904503 - Emmeline, Christabel and Sylvia Pankhurst, 191113502157 - Helen Keller, deafblind author and activist12903472 - Richard Owen giving a lecture of an Eminent 'Savan', 184912899534 - Economics tutorial, Sheffield University, 196713501805 - Helen Keller, American author12903454 - Nicholas Lemery, French chemist, 187013586626 - Teacher in front of an uninterested class, illustration13502233 - Adam Smith, Scottish philosopher and economist12903378 - Humphry Davy, British chemist and inventor, 180213346031 - Portrait smiling, confident male speaker12943143 - Speaker on podium holding large key, illustration13346118 - Female speaker doing a wheelie in wheelchair on stage13346041 - Speaker on stage answering audience questions13346035 - Female speaker on stage talking to audience12914514 - Sir Humphrey Davy, English chemist, 180312419820 - Medical students studying anatomy13346119 - Female speaker in wheelchair on stage talking to audience13346067 - Audience watching speakers on stage13346045 - Male speaker on stage talking to audience12916140 - Anatomy lecture at Padua, Italy, 148313346096 - Male speaker on stage talking to audience13346038 - Speaker talking to audience with smart phone flashlights12904514 - Edith How-Martyn, c190912654346 - Socrates, Ancient Greek Philosopher12419823 - Medical students studying anatomy13346104 - Female speaker in wheelchair on stage talking to audience13346049 - Audience listening to female speaker in wheelchair on stage13346022 - Conference audience with hands raised for speaker on stage12903453 - Nicholas Lemery, French chemist, 176212898207 - Michael Faraday lecturing at the Royal Institution, 183513346129 - Audience watching male speaker in wheelchair talking13346037 - Speakers talking with audience13346019 - Smiling speakers waving on stage13346001 - Audience listening to female speaker in hijab talking13346116 - Women in conference talking to speaker in wheelchair13346018 - Portrait male speaker with microphone talking on stage12943142 - Rear view of man speaking from podium, illustration12651894 - Frederick Douglass, The Fugitive's Song13346120 - Audience watching female speaker in wheelchair on stage13346059 - Female speaker in hijab on stage talking to audience13346027 - Smiling female speaker with microphone on stage12916488 - John Tyndall lecturing on electromagnetism, London 187012916478 - Michael Faraday lecturing on electricity and magnetism12903979 - Prehistoric Peeps: A Night Lecture on Evolution', 189413346111 - Speakers on stage13346053 - Male speaker on stage talking to audience13346020 - Male speaker on stage talking to audience12903014 - Spectrum analysis, 187313346068 - Female speaker in hijab on stage talking to audience13345995 - Male speaker on stage talking to audience12904509 - Estelle Sylvia Pankhurst, c190912419821 - Medical students studying anatomy12397722 - Indian businesswoman giving a lecture, illustration13346070 - Audience watching male speaker on stage12420208 - Mary Lura Sherrill, US chemist13346102 - Audience cheering for female speakers13346101 - Audience clapping for female speaker13346028 - Conference audience watching speakers on stage13346023 - Audience with camera phones photographing speaker on stage13339780 - Female teacher and multi-ethnic students in classroom12376913 - Helen Petrovna Sorokin, US botanist13346106 - Audience watching female speaker on stage13346047 - Female speaker in wheelchair on stage talking to audience13346024 - Portrait smiling conference speakers13346014 - Female speaker in hijab on stage talking to audience12419822 - Medical students studying anatomy11697776 - James Blundell,British physician13346134 - Smiling male speaker in wheelchair on stage13346115 - Audience watching male speaker with arms outstretched13346098 - Cameraman videoing speaker on stage13346088 - Female speaker with microphone on stage13346062 - Audience with camera phones photographing speaker on stage13346056 - Female speaker in wheelchair gesturing for cheering audience13346000 - Male speaker with microphone talking on stage13346083 - Speaker with microphone talking to audience13346008 - Audience listening to male speaker on stage13346002 - Audience with smart phone flashlights listening to speakerpage suivante
