user:stevenj

My name is Steven G. Johnson. For more about me, see my home page: http://math.mit.edu/~stevenj/

{{User ORCID|0000-0001-7327-4967}}

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I agree to multi-license all my contributions, with the exception of my user pages, as described below:

{{DualLicenseWithCC-BySA-Dual}}

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I'm not a professional photographer or illustrator by any means, but I've posted a few pictures and illustrations of mine that seemed helpful to the articles in question:

Image:Butterfly-FFT.png|Butterfly diagram

Image:WashDC-basilica-nat-shrine-interior.jpg|Basilica of the National Shrine of the Immaculate Conception

Image:Julia-heliconian-butterfly.jpg|Dryas julia

Image:Versin.png|Versine

Image:Notre-Dame-night.jpg|Notre Dame de Paris

Image:Kbd-window.png|Kaiser window

Image:Kaiser-window.png|Kaiser window

Image:Joan of Arc-Notre Dame.jpg|Joan of Arc in Notre Dame de Paris

Image:Hunawihr-ruddy-shelduck.jpg|Ruddy Shelduck

Image:Circle-trig6.svg|Trigonometric functions

Image:Law-of-haversines.svg|Haversine formula

Image:Aharonov-bohm.png|Aharonov-Bohm effect

Image:Inhambane-dhow.JPG|Dhow

Image:Venetian-chastity.JPG|Venetian chastity belt

Image:Hunawihr-morpho-butterfly.jpg|Morpho butterfly

Image:Yee-cube.svg|Yee lattice

Image:DCT-symmetries.svg|discrete cosine transform

Image:Pseudoras-niger.jpg|Redtail catfish

Image:Colossoma-brachypomus.jpg|Pacu (fish)

Image:Longnose-gar.jpg|Longnose gar

Image:Longnose gar, Boston Aquarium.JPG|Longnose gar

Image:Egg-yolk-jelly.jpg|Egg-yolk jellyfish

Image:Green-anaconda.jpg|Green anaconda

Image:Electric-eel.jpg|Electric eel

Image:Electric-eel2.jpg|Electric eel

Image:Seahorse-aquarium.jpg|Seahorse

Image:Enneacanthus-obesus-aquarium.jpg|Banded sunfish

Image:Lumpfish-cropped.jpg|Lumpfish

Image:Blue-lobster.jpg|Blue American lobster

Image:Yellow-lobster.jpg|Yellow American lobster

Image:Sebastes-marinus-aquarium.jpg|Rose fish

Image:Asterias_rubens_(aquarium).jpg|Starfish

Image:Lophius-americanus-aquarium.jpg|American angler

Image:Green-anemone.jpg|Giant green anemone

Image:Pacific-octopus-cropped.jpg|North Pacific Giant Octopus

Image:Black-surfperch.jpg|Black surfperch

Image:Catostylus-mosaicus.jpg|Blue blubber jellyfish

Image:Cariama-cristata-DC.jpg|Cariama cristata

Image:Pygmy-falcon-DC.jpg|African Pygmy Falcon

Image:Paradisaea-raggiana-DC.jpg|Raggiana Bird of Paradise

Image:Marabou-stork-DC.jpg|Marabou Stork

Image:Marabou-stork2-DC.jpg|Marabou Stork

Image:Boston-Rhino-Iguana.jpg|Rhinoceros Iguana

Image:Boston-Knight-Anole.jpg|Knight Anole

Image:Sauromalus ater and Sceloporus occidentalis.jpg|Sauromalus ater (left) and Western fence lizard (right)

Image:Crotaphytus collaris, Boston.jpg|Common Collared Lizard

Image:Female plumed basilisk, Boston.jpg|Plumed basilisk

Image:Veiled chameleon, Boston (cropped).jpg|Veiled chameleon

Image:Leaf-tailed geckos, Boston.jpg|Henkel's leaf-tailed gecko

Image:Varanus_priscus_skull.jpg|Megalania

Image:Emerald tree monitor (closeup), Boston.jpg|Emerald tree monitor

Image:Naja pallida, Boston.jpg|Red Spitting Cobra

Image:Maleku-hut.JPG|Maleku hut

Image:Centruroides limbatus, Costa Rica.JPG|Centruroides limbatus scorpion

Image:Green Kingfisher, Costa Rica.JPG|Green Kingfisher

Image:Leptodiera septentrionalis, Costa Rica - zoomed.JPG|Leptodeira septentrionalis (Northern cat-eye snake)

Image:Eleutherodactylus diastema, Costa Rica.JPG|Common tink frog

Image:Bananaquit nest, Costa Rica.JPG|Bananaquit

Image:Craugastor crassidigitus, Costa Rica.JPG|Craugastor crassidigitus

Image:Anolis biporcatus, Costa Rica.JPG|Anolis biporcatus (neotropical green anole)

Image:Agalychnis callidryas, Costa Rica.JPG|Agalychnis callidryas

Image:Female common basilisk, Costa Rica.JPG|female common basilisk

Image:Anolis polylepis, Costa Rica.JPG|Many-scaled anole displaying a large yellow dewlap

Image:Panama spider monkey, Costa Rica.JPG|Panama spider monkey

Image:Juvenile spider monkey, Costa Rica.JPG|Juvenile Panama spider monkey

Image:Sitting Alouatta palliata, Costa Rica.JPG|Mantled Howler Monkey

Image:Cebus capucinus, Costa Rica.JPG|White-headed Capuchin

Image:Procyon cancrivorus 2, Costa Rica.JPG|Crab-eating Raccoon

Image:Procyon cancrivorus 3, Costa Rica.JPG|Crab-eating Raccoon

Image:Ocypode, Costa Rica.JPG|Sand crab

Image:Dan-dan noodles, Shanghai.jpg|Dan dan noodles

Image:Kite-trains-shanghai.jpg|Kite-train vendors in Shanghai

Image:Megaloprepus.JPG|Megaloprepus caerulatus

Image:Kung-pao-shanghai.jpg|Kung Pao chicken

Image:Pyxicephalus adspersus, Boston Aquarium.jpg|African Bullfrog

Image:Theloderma corticale, Boston Aquarium.jpg|Mossy frog

Image:Ocellate river stingray, Boston Aquarium.jpg|Ocellate river stingray

Image:Ornate bichir, Boston Aquarium.JPG|Ornate bichir

Image:Striped killifish, male.jpg|male striped killifish

Image:Striped killifish, female.jpg|female striped killifish

Image:Japanese sea nettle, Boston Aquarium.jpg|Japanese sea nettle

Image:Acadian redfish.jpg|Acadian redfish

Image:Ocean pout, Boston Aquarium.jpg|Ocean pout

Image:Haddock, Boston Aquarium.JPG|Haddock

Image:Striped bass, Boston Aquarium.JPG|Striped bass

Image:Purple sun stars, Boston Aquarium.jpg|Purple sun stars

Image:Argus monitor, Boston Aquarium.jpg|Argus monitor

Image:Cassiopea xamachana, Boston Aquarium.jpg|Cassiopea xamachana

Image:Pajama cardinalfish, Boston Aquarium.jpg|Pajama cardinalfish

Image:Sea walnut, Boston Aquarium.jpg|Warty comb jelly

Image:Green pufferfish, Boston Aquarium.jpg|Green pufferfish

File:Parribacus-antarcticus2-National-Zoo-2010.jpg|Parribacus antarcticus

File:Spiraea-tomentosa-Acadia.jpg|Steeplebush

File:Black-huckleberry-Acadia.jpg|black huckleberry

File:Domestic-crested-duck-CamdenME.jpg|crested duck

File:Jehu-Obelisk-cropped.jpg|Jehu

File:London-Roman-model.jpg|Model of Roman London.]]

My wife, C. Horwitz, has also given me permission to upload, or help her upload, some of her photos under the GFDL:

Image:Buitreraptor-Deinonychus.jpg|Buitreraptor

Image:Giant-beaver-fieldmuseum.jpg|Giant beaver

Image:Colmar-watertower.jpg|Water tower in Colmar

Image:Eurotram Strasbourg Langstross tram A (2004).jpg|Tram in Strasbourg

Image:Heath Hen, Boston.jpg|Heath Hen

Image:Passengerpigeon-cropped.jpg|Passenger Pigeon

Image:Choeradodis, Costa Rica.JPG|Choeradodis (leaf mantis)

Image:Baby Choloepus hoffmanni, Costa Rica.JPG|Hoffmann's Two-toed Sloth‎

Image:Male Basiliscus basiliscus, Costa Rica - cropped.JPG|Common basilisk

Stevenj